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© 2007-2012 Thorlabs GmbH

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WFS Series

6.3.6

Reference Position

Wavefront data calculated by the Thorlabs WFS series Wavefront Sensors are
related to the reference position of the sensor. This position is identical to the
location of the microlenses on the back face of the microlens array. Since this
location is different for both models also the reference position is model specific.

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Содержание WFS Series

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...2012 Operation Manual Optical Wavefront Sensors Shack Hartmann Sensors WFS Series ...

Страница 3: ...Version Date 3 5 March27 2012 2007 2012 Thorlabs GmbH 2007 2012 Thorlabs GmbH ...

Страница 4: ...ement with the Wavefront Sensor 34 WFS10 Highspeed Mode 38 Coordinate Definitions 40 2 The Graphics User Interface GUI 40 Start the GUI 42 Operating the Wavefront Sensor Software 43 Menu and Toolbar 50 Lineview Panel 52 Spotfield Panel 56 BeamView Panel 58 Wavefront Panel 63 Zernike Coefficients Panel 65 Wavefront Sensor Setup Panel 67 Camera Settings Setup 76 Pupil Definitions Setup 79 Wavefront ...

Страница 5: ...echnical Data 125 Microlens Data 127 Minimal Beam and Pupil Diameter 128 Typical Wavelength Curves 130 Trigger Input WFS 132 Trigger Input WFS10 134 Reference Position 135 Mounting Adapter 137 Zernike Fit and Zernike Modes 140 Drawing WFS150 5C 141 Drawing WFS150 7AR 142 Drawing WFS300 14AR 143 Drawing WFS10 5C 144 Drawing WFS10 7AR 145 Drawing WFS10 14AR 146 4 Thorlabs End of Life Policy WEEE 146...

Страница 6: ... GmbH This part of the instructionmanual contains every specific informationonhow to handle and use the WFS series Wavefront Sensors 2007 2012 Thorlabs GmbH WARNING Sections marked with this heading explain dangers that might result in personalinjury or death Always read the associated information carefully before performing the indicated procedure This manualalso contains NOTES and HINTS written ...

Страница 7: ... correctly as it was designed for Allmodules must only be operated with proper shielded connection cables Only with written consent from Thorlabs may changes to single components be carried out or components not supplied by Thorlabs be used This precision device is only serviceable if properly packed into the complete originalpackaging including the plastic foam sleeves If necessary ask for a repl...

Страница 8: ...B 1 1 full speed port is not usable USB highspeed cable according the USB 2 0 specification Software compatibility Microsoft Windows XP 32 bit Microsoft Windows Vista 32 bit 64 bit Microsoft Windows Windows 7 32 bit 64 bit 2 Installation 2 1 General Thorlabs wavefront Shack Hartmann sensors consists of a camera witha mounted infront of the camera sensor microlens array MLA There are 2 types of sen...

Страница 9: ...0 µm ARCoated 400 900 nm pitch 300 µm WFS K2 WFS150 CCD ARCoated 400 900 nm pitch 150µm ARCoated 400 900 nm pitch 300 µm WFS10 K1 WFS10 CMOS Chrome Mask 300 1100 nm pitch 150 µm ARCoated 400 900 nm pitch 300 µm WFS10 K2 WFS10 CMOS ARCoated 400 900 nm pitch 150µm ARCoated 400 900 nm pitch 300 µm Wavefront Sensor types and kits as stated above are factory calibrated For other thanabove mentioned com...

Страница 10: ...ser without anisolator but parallel beam and long coherence length Use this model if other ways for preventing back reflectionline tilting the Wavefront Sensor withrespect to the input beam are not feasible WFS300 14AR WFS10 14AR uses ananti reflection AR coated MLA that reduces the reflectionfrom the array to below 1 within the wavelength range 400 900 nm Note that the total reflectionfrom the en...

Страница 11: ...ce for returninstructions NOTE If the desired MLA combinationis not stated inabove list please contact your local Thorlabs office for support The WFS software accepts only different MLA types By other words it is impossible to calibrate the same sensor for two microlens arrays of the same type Example To an existing WFS10 14AR should be added an additional microlens array w ith chrome mask and 150...

Страница 12: ...sitivity and dynamic range See chapter Microlens Data for a table of available MLAs Mounting Adapter Plate A mounting adapter is added to the camera housing of the Wavefront Sensor in order to supply standard threads M4 and UNC8 32 whichare compatible to the palette of Thorlabs mounts and posts holders Mount this adapter plate onthe bottom side of the Wavefront Sensor using the 4 screws M3x6 WFS a...

Страница 13: ...your computer please execute the Autorun exe file withinthe folder Autorun onthe CD The following screenwill appear There is only one software components selectable Install Wavefront Sensor Installs the applicationsoftware to operate a WFS series Wavefront Sensors as well as the required camera USB drivers Inaddition this software installs the Wavefront Sensor instrument drivers for usage withC La...

Страница 14: ... Application Software Click on InstallWavefront Sensor Application Software to start the installation procedure First of all anupdate of the Windows installer may be required Follow the instructions onthe screen The Wavefront Sensor software installationstarts withthe following opening screen ...

Страница 15: ...ers but it is recommended to leave the default pathnames Click Next to proceed Read the License Agreement carefully Mark Iaccept the License Agreement and click Next to proceed Read also this NILicense Agreement carefully Mark Iaccept the License Agreement and click Next to proceed ...

Страница 16: ...ut items that are going to be installed Click Next to proceed The installationprocess will take a minute After completionof this installationprocess the Readme rtf file coming witheach software release appears It informs youabout newly added features or removed bugs ...

Страница 17: ...2012 Thorlabs GmbH 14 WFS Series Click Next to proceed Now a command prompt window opens temporarily whichis required to install the camera USB drivers onthe operating system The following warning may appear ...

Страница 18: ...bH 15 Installation Please ignore this warning has not passed Windows Logo testing and click on Continue Anyway Depending onyour operating system it may be required to restart your computer Click Restart to reboot your system ...

Страница 19: ... dir ConfigFunctions mnu LabVIEW menu file dir Data Functions mnu LabVIEW menu file dir Utility Functions mnu LabVIEW menu file VXI PnP OS bin WFS_Drv dll driver dynamic link library VXI PnP OS include WFS_Drv h driver include file VXI PnP OS lib msc WFS_Drv lib library import file for Microsoft compiler VXI PnP OS Thorlabs WFS Readme rtf this file WFS_Drv fp LabWindows CVI function panel file WFS...

Страница 20: ...t operation After connectionof the instrument Microsoft Windows will load the appropriate drivers for the Wavefront Sensor Models WFS150 and WFS300 For models WFS150 and WFS300 the Wavefront Sensor represents a modified Thorlabs DCUcamera the driver software is basically the same for both instruments Below are some comments and screenshots if the connected wavefront sensor is of WFS150 5C WFS150 7...

Страница 21: ... 2007 2012 Thorlabs GmbH 18 WFS Series Mark No not at this time and proceed with Next Mark Install the software automatically Recommended optionand click Next ...

Страница 22: ... 2007 2012 Thorlabs GmbH 19 Installation Files are being copied and a warning will appear Please ignore this warning has not passed Windows Logo testing and click on Continue Anyway ...

Страница 23: ...is correctly installed and ready to use For verificationpurposes youmight check the existence of this instrument inthe Device Manager of your computer From the Start buttonselect Control Panel System Hardware Device Manager The following entry under the USB Serial Bus controllers group indicates that the Wavefront Sensor device is properly installed As long as the driver installationis not complet...

Страница 24: ...nicate withthe instrument If youstill cannot see the entry Thorlabs DCUcamera please check the troubleshooting chapter WFS10 models Incase that the connected wavefront sensor was the highspeed capable version WFS10 the Found New Hardware Wizard recognizes a WFS10 Wavefront Sensor 117 ...

Страница 25: ...r connectionto the USB bus and goes to greenas soonas the driver software has completed the initialization process and the instrument becomes ready to use by the applicationprogram 2 6 Start the Application Access the ApplicationPrograms from the START button Find the Programs Thorlabs Wavefront Sensor Wavefront Sensor entry or simply click onthe icononyour desktop Do not forget to remove the dust...

Страница 26: ...e and intensity distributionof beams This is done by analyzing the locationand intensity of spots spotfield formed by imaging a beam of light onto a CCD CMOS array witha microlens array as shownin the figure below WithThorlabs Shack Hartmannwavefront sensor it is possible to optimize dynamically the wavefronts of laser sources characterize the wavefront distortioncaused by optical components and p...

Страница 27: ...the spotfield and the pupil border The camera image is transferred via USB 2 0 interface to a computer or laptop that is running the Thorlabs Wavefront Sensor applicationsoftware Special algorithms withinthe software calculate the centroid positions of all detectable spots and the corresponding deviations compared to the appropriate reference positions A 2 dimensional integrationgive the wavefront...

Страница 28: ...ont Sensor software and also point out user defined inputs and data outputs The brightness of the camera image is controlled withina loop to ensure anoptimal saturationlevel Diameter and positionof the beam is detected and these data are used optionally for defining the instruments pupil area Otherwise pupil data canbe defined by the user ...

Страница 29: ...easured and fitted wavefront data is available 3 1 Shack Hartmann Functional Principle The WFS series Wavefront Sensor consists basically of a CCD CMOS camera with a microlens array mounted ina defined distance infront of its sensor chip Each microlens generates a spot onto the sensor whereas the spot centroid position depends onthe wavefront gradient infront of the lens area Eachmicrolens of the ...

Страница 30: ... x and y are determined by the spot shift x and y respectively as well as by the distance betweenmicrolens end detector whichis usually the focal lengthof the microlens fML Spot deviations x and y are determined by calculating the centroid coordinates of all detectable spots and subtracting the corresponding reference coordinates afterwards These spot deviations are integrated withina 2 dimensiona...

Страница 31: ...hMLA2 Screw the Pickup tool into the MLA1currently mounted withinthe WFS instrument Pull MLA1out of the instrument along its optical axis Unscrew and remove the pickup tool from MLA1 Pack MLA1into a dust proof storage box Unpack MLA2 and screw the pickup tool into it CleanMLA2 using compressed air keep a safety distance of at least 4 inches 10 cm Insert MLA2 along the optical axis into the WFS ins...

Страница 32: ...2012 Thorlabs GmbH 29 Description Attention Be sure to have the selected MLA physically installed infront of your Wavefront Sensor Otherwise all measurement data become invalid because wrong calibration data ...

Страница 33: ... is recommended to study the Shack HartmannFunctional Principle as well as the setup options see Wavefront Sensor Setup Panel inorder to perform reliable wavefront measurements Mounting options A mounting adapter see Mounting Adapter is added to the camera housing of the Wavefront Sensor inorder to supply standard threads M4 and UNC8 32 which are compatible to the palette of Thorlabs mounts and po...

Страница 34: ... that the beam to be analyzed launches the instrument perpendicular to its front face Insome cases a small tilt angle out of that position canbe helpful to prevent unwanted back reflectioninto the measurement setup Direct the beam to be analyzed into the center of the entrance aperture of the Wavefront Sensor Althoughanoff center beam canalso be measured as long as it is not truncated by the activ...

Страница 35: ...ted automatic shutter control of the CCD camera the Wavefront Sensor canhandle optical power ina wide dynamic range Note that the sensitivity is strongly wavelengthdependent see Typical WavelengthCurves Especially at the edges of the sensitive wavelengthrange 300 1100 nm for WFS150 5C and WFS10 5C there is a drastically reduced sensitivity whichallows measurement of higher power sources directly O...

Страница 36: ...le example measurement that should establishunderstanding of what a wavefront is and how it canbe influenced a A collimationlens e g bi convex positioned at the distance f its focal length from a single mode fiber end face will generate anexactly parallel beam witha plane wavefront b A movement of the lens towards the fiber end or evenremoving the lens generates a slightly divergent beam whichincr...

Страница 37: ...that a CMOS sensor may have more hot pixels pixels showing a certainintensity evenwithcamera darkened thanCCD sensors See chapter Hot Pixel for details What is Highspeed Mode Normally the complete spotfield image is transmitted from the camera to the computer and interrogated there This method is speed limited because of the available USB 2 0 bandwithand the calculationspeed of the PC Compared to ...

Страница 38: ...settings NOTE Measurement speed is limited by the camera s exposure time Youneed to apply a sufficient highpower level so that exposure time canbe set muchshorter than1 required speed infps Keep an eye on the status window Because the camera saturationremains unknowninHighseed Mode incase the auto exposure optionis disabled the camera image may suffer from over or under exposure whichis leading to...

Страница 39: ...a resolutions and highspot count NOTE Reduce the camera resolutionas muchas possible inorder to get the highest measurement speed How to get the highest speed Besides the limitationdue to the Wavefront Sensor and the interrogationsoftware there is another speed limit by the GUIsoftware because displaying the results numerical and graphical requires more time thanavailable Therefore the GUI cannot ...

Страница 40: ... from 175 to about 150 fps because the camera needs to calculate the actual saturationlevel for eachframe The displayed Sample Rate is the max available measurement speed withthe current settings but without graphical display This speed is available to youwhen writing your ownapplicationinC or LabView using the WFS instrument driver functions ...

Страница 41: ... Wavefront Sensor and are looking towards the light source Thenthe x directionpoints towards right and the y directionpoints up whereas the optical beam to be analyzed is propagating inz directiontowards the entrance aperture of the Wavefront Sensor The graphs withinthe Wavefront Sensor GUI Spotfield Beamview are defined the same way that is the positive x axis points rightwards and the y axis poi...

Страница 42: ... 3D wavefront graphthe beam s cross sectionlies withinthe x y plane that is perspectively drawnat the bottom whereas the z axis points upwards Imagine the beam is coming from beneath so the displayed 3D curve will represent the wavefront at the top of the beam ...

Страница 43: ...al will openthe Wavefront Sensor Operating manual using the Adobe Acrobat Reader Thorlabs Wavefront Sensor is the applicationprogram click onthis entry and the Wavefront Sensor software will start withthe following dialog box If there is no entry to be seen click on Refresh to update the list of available Wavefront Sensor instruments If there is still no instrument displayed please refer to the Tr...

Страница 44: ...t double click onthe MLA entry Attention Be sure to have the selected MLA physically installed infront of your Wavefront Sensor Otherwise all measurement data become invalid because wrong calibration data The selected Wavefront Sensor starts to work and the Graphical User Interface GUI displays the measured data Youneed to verify that the correct MLA name appears inthe title bar of the application...

Страница 45: ...Sensor applicationsoftware is started again At first program start all Wavefront Sensor settings and GUIconfigurations are set to default values Read the Wavefront Sensor Setup Panel chapter carefully and configure the Wavefront Sensor software according to the beam properties and your specifications 4 2 2 Operating the Wavefront Sensor Software Now let s get familiar withthe Wavefront Sensor GUI ...

Страница 46: ...Wavefront Calibrate withSpherical Wavefront Show Help File The following list contains all menuentries and also lists the appropriate short cut keys and toolbar symbols File OpenSetup Ctrl O Save Setup As Ctrl A Measurement File Preferences Save Measurement Data Ctrl S Save Centroid Data Ctrl C Save Power DistributionData Ctrl D Print Window Ctrl P Print GraphOnly Exit Program Setup Wavefront Sens...

Страница 47: ...ment F2 Stop Measurement F3 Calibration Plane Wavefront Spherical Wavefront Save Spotfield Reference Load Spotfield Reference Display Lineview Spotfield Beamview Wavefront Zernike Coefficients Help Contents F1 Visit the Thorlabs Website View License Agreement About ...

Страница 48: ...ily switchbetweendifferent configurations by loading alternative files Save Setup As Stores a Wavefront Sensor configurations file cfg containing all instrument settings camera pupil wavefront as well as display and graphical settings You may save different configurations into files withdifferent names Measurement File Preferences The following popup window occurs it enables youto set the attribut...

Страница 49: ...e ina name for your Wavefront Sensor data file and click Save The content and format is defined inthe Measurement File Preferences panel see above Save Centroid Data Ctrl C Choose drive and pathfor storing data withinand type ina name for your Centroid data file and click Save The content and format is defined inthe Measurement File Preferences panel see above Save Power Distribution Data Ctrl D C...

Страница 50: ...vailable features Exit Program Youwill be asked if youare sure Hit Enter or click Yes for leaving the Wavefront sensor GUIor No for continued operation 2 Setup The following pull downmenuoccurs Wavefront Sensor Opens the Setup panel of the Wavefront Sensor that will give youthe ability to change important setup parameters for the actual wavefront measurement like active camera area pupil definitio...

Страница 51: ... configure DataSocket Will display a dialog panel for enabling and configuring the live transfer of measurement data via DataSocket to another application See DataSocket for live data transfer for details 3 Measurement The following pull downmenuoccurs Measurement Start Starts continuous Wavefront Sensor measurements and displays the results onthe screen Measurement Stop Stops the Wavefront Sensor...

Страница 52: ...led descriptionof the interchangeable graphical displays Alternatively click onthe tabs below the graphics to see the desired one 6 Help The following pull downmenuoccurs Contents This opens the Wavefront Sensor help file It contains the same informationas the manual but enables the advantage to searchfor key words Visit the Thorlabs Website Youwere directed to the Thorlabs website at www thorlabs...

Страница 53: ...xis of the diagram correspond to one columnof the CCD CMOS array and displays boththe minimum gray at the bottom and the maximum intensity level white of the entire pixel column The peaks are due to the focusing ability of the lenslet array that concentrate the intensity withinsmall spots This graphis useful to check the power level of the analysed beam especially when ...

Страница 54: ...d description Furthermore the effect of choosing a manual Noise cut level that defines a brightness level indigits whichneeds to be exceeded by the spots inorder to be recognized canbe observed inthis Lineview panel For instance anincreased ambient light level that will influence the determinationof spot centroids canbe rejected by setting the Noise cut level to a value higher thanthe valleys inth...

Страница 55: ...intensity distributionof the appropriate CCD row The line number ranges from 0 bottom to the number of vertical pixels 1 The selected line is marked withinthe Spotfield Panel NOTE This panel display is not available for WFS10 instruments inHighspeed Mode 4 2 2 3 Spotfield Panel The Spotfield panel allows a direct view of the image takenby the CCD CMOS camera Intensity levels are displayed as gray ...

Страница 56: ...nded to select the camera resolutionand therewiththe active sensor area to be a bit larger thanthe analyzed beam A too large area will containlots of undetectable spots that cannot be converted to wavefront data and also will decrease measurement speed Inadditiona few more graphical elements canbe superimposed to the image Double click onthe graphto see the Spotfield Configuration panel 67 ...

Страница 57: ...ge Axes displays the center axis inhorizontal and vertical direction Mark Center Spot marks the spot at the image center from that acts as a starting point for the centroid determinationalgorithm Show Spot Shifts displays a short gray line betweenthe actual spot positionand its corresponding reference position ...

Страница 58: ... Highspeed Mode Incontrast to Normal Mode inwhichthe spots are visible withinthe real camera image left eachdetected spot is displayed by a white cross inHighSpeed Mode The user is able to check if the detected spots are well withinthe detectionwindows green Show Pupil displays a circle or anellipse magenta that illustrates the actual pupil 34 ...

Страница 59: ...m so that the center cross of the pupil coincides withthe center image axis 4 2 2 4 Beam View Panel The Beam View panel gives youanoverview about the intensity distributionwithin the active camera sensor area This display is comparable to that of a camera based Beam Profiler but withthe constraint of very poor resolution The lateral resolutionis not determined by the camera pixel size like incase ...

Страница 60: ...ng Instruction Double click onthe graphto see the Beamview Configuration panel Interpolate Spot Areas will do aninterpolationbetweenthe coarse array of measured intensity points If switched off the real lateral resolutionbecomes visible ...

Страница 61: ...d position Only incase youmarked Use Beam Width and Use Beam Centroid options withinthe Pupil Definitions Setup panel both parameters coincide This display is also available for WFS10 instruments inHighspeed Mode withthe only difference that the appropriate intensities are calculated withinthe camera s DSP 4 2 2 5 Wavefront Panel The Wavefront panel contains a 3D diagram that displays the measured...

Страница 62: ...displayed ina color spectrum whereas the assignment betweencolor and curve height is always the same black magenta lowest wavefront parts green medium red white highest wavefront parts Whenthe option Limit wavefront calculation and display to pupilinterior is enabled withinthe Pupil Definitions Setup only measured wavefront data within the defined pupil are displayed This canbe advantageous incase...

Страница 63: ...Zernike Fit Setup panel canbe displayed and analyzed separately Difference displays the difference betweenthe measured and reconstructed wavefront and is therefore anindicator of the fit error NOTE The actual switchsetting is also important to the calculated wavefront statistics PV RMS and wRMS see Measurement Results because the displayed values refer to the selected wavefront Measured Reconstruc...

Страница 64: ...e view angles so that all three axis are to be seen and the wavefront canbe viewed as a 3D curve Default top view sets the Latitude view angle to zero and allows a view parallel to the z axis towards the x y plane The x y plane becomes rectangular and the wavefront height is only indicated by its color The following options define the look of the 3D graph ...

Страница 65: ...atitude determines the view angle to the graph Zoom changes the graphsize range 1 10 Clicking Default 3D View adjusts all controls to the default 3D view whereas Default Top View rotated the graphto achieve a top view of the profile The default top view zoom level of 2 is to visualize the entire active sensor area without its caption Autoscale By default the graph s z axis is auto scaled to utiliz...

Страница 66: ...SC to discard all changes or click OK or close the panel if you want to take over the changes 4 2 2 6 Zernike Coefficients Panel This panel displays a bar graphwhereas the vertical bars indicate the Zernike coefficients whichare the results of the Zernike fit The Zernike coefficients canbe positive or negative and indicate that the measured wavefront does containparticular Zernike modes weighted w...

Страница 67: ...efine a fixed range by entering Min and Max values manually Omit Piston Tip Tilt is normally switched off and all calculated Zernike Modes are displayed But generally the lowest order modes Pistonand the wavefront s Tip and Tilt are of less interest Since these lowest order modes may have a considerable higher amplitude thanthe higher order modes they are disturbing and are dispensable Enable this...

Страница 68: ...efront Sensor GUIautomatically starts measuring the applied wavefront using favorable default parameters Using these default settings the instrument is able to do first measurements Nevertheless it is highly recommended to verify all the applied settings To openthe setup panel youcanuse the Menu Setup Wavefront Sensor entry or simply click right onone of the graphs onthe right hand side of the mai...

Страница 69: ...b panels accessible by clicking onthe corresponding tabs Camera Settings Pupil Definitions Wavefront Zernike Fit Miscellaneous Important Note Please be aware of the fact that settings for Camera Image Size Pupil Definition and Zernike Fit Zernike order number depend eachonthe other and further impact onmeasurement speed Witha large image size youcanchoose a large pupil diameter and it is possible ...

Страница 70: ...image capturing of the CCD camera To openthe setup panel youcanuse the Menu Setup Wavefront Sensor entry or simply click right onone of the graphs onthe right hand side of the main panel Select the tab Camera Settings Hardware Trigger enables synchronizationto anexternal trigger signal whichmay be a pulsed laser source or anelectrical functiongenerator See chapter Trigger Input for a detailed spec...

Страница 71: ...uce the unused sensor area and increases measurement speed because of saving time for evaluating the spotfield images The following area sizes canbe selected for WFS left and WFS10 right respectively The WFS CCD camera offers a maximum of 1280 x 1024 pixel 1 3 MegaPixel on a rectangular area 5 95 x 4 76 mm while the WFS10 CMOS camera offers a maximum of 640 x 480 pixel 0 3 MegaPixel ona rectangula...

Страница 72: ... 2007 2012 Thorlabs GmbH 69 Operating Instruction ...

Страница 73: ...ts WFS10 5C WFS10 7AR 150 µmpitch WFS10 14AR 300 µmpitch WFS10 5C WFS10 7AR 150 µmpitch WFS10 14AR 300 µmpitch 180 x 180 9 x 9 3 x 3 81 9 260 x 260 15 x 15 7 x 7 225 49 360 x 360 21x 21 9 x 9 441 81 480 x 480 29 x 29 13 x 13 841 169 640 x 480 41x 29 19 x 13 1189 247 The wavefront resolutionis by the factor microlens pitch pixel size lower thanthe camera resolution This means about 32x32 CCD pixels...

Страница 74: ... and Gain For normal operationit is highly recommended to select the Auto setting Inthis case the Wavefront Sensor applicationprogram analyzes automatically the maximum image intensity and adapts the control parameter Exposure time ms and Master Gain correspondingly inorder to reacha maximum image intensity close to the maximum of 255 digits Inrare cases of fluctuating light source intensity it ma...

Страница 75: ...ucha fix level is problematic for changing beam intensities and ambient light situations the Auto setting is highly recommended whichenables dynamic adaptionto the different intensity levels for eachspot area and yields best results for centroid calculation For a manual definitionof the noise cut level values between0 and 255 digits may be applied Attention Improper settings of manual Noise Cut Le...

Страница 76: ...uggested to check the correct setting Set Default Click on Set Default to activate the factory default values Cam Noise Level Auto Exposure time and Master Gain Auto Black Level 0 WFS instruments Black Level 100 WFS10 instruments Disable Hardware Trigger Settings for Camera Image Size and Averaging remainunchanged Highspeed Mode For WFS10 instruments only Incase of a WFS10 Wavefront Sensor instrum...

Страница 77: ...d from eachpixel of the detected camera image before spot interrogationstarts NOTE The spot centroid positions detected inHighspeed Mode become extremely sensitive to the camera s black level That s why all pixel intensities withinthe entire spot window widthx height pixels contribute to the final centroid result Also small black level intensities will shift the result towards the windows center T...

Страница 78: ... and define the pupil diameter and positionmanually Please consider hints givenin chapter Pupil Definitions Setup Adaption to previously measured spot centroids If centroid adaptionis off thenthe software defines a rigid grid of spot interrogationwindows based onthe spot reference positions Since the actual detected spot centroids are identical with its reference positions only incase of exactly o...

Страница 79: ...ns unknowninHighspeed Mode if the auto exposure optionis disabled the camera image may suffer from over or under exposure whichis leading to wavefront mismeasurement As a consequence Highspeed Mode withdisabled auto exposure feature is only applicable when working at a quite constant power level But a measurement error due to violationof the spot windows by the detected centroids canbe displayed N...

Страница 80: ...he pupil diameter is automatically adapted to the measured beam width The beam widthis measured using the second moment method and corresponds to the 1 e2 diameter incase of a Gaussianbeam shape NOTE The second moment method will calculate accurate beam widths only whenambient light is shielded from the Wavefront Sensor and the Black Level of the camera is properly aligned see Camera Settings Setu...

Страница 81: ... by selecting the appropriate option Here only the diameter inX needs to be entered and the Ydiameter is set to the same value PupilCenter mm The pupil center inmm canalso be set manually or automatically It is recommended to enable Use Beam Centroid inorder to automatically adapt the pupil center to the measured beam centroid coordinates Incase of fluctuations of the beam positionduring the measu...

Страница 82: ...fluences the total measured wavefront distortions PV RMS Distortions only withinthe defined pupil area are usually lower that the total measured distortions outside the pupil Set Default Click on Set Default to activate the factory default values Circular pupil Use Beam Width disabled Manual Pupil Diameter 3 mm Use Beam Centroid enabled Limit to Pupil Interior disabled 4 2 3 3 Wavefront Setup The ...

Страница 83: ... to supply the correct calibrationdata to the WFS software youneed to select the physically installed MLA from the pull downlist Youare reminded by the message below to switchthe physically installed MLA if a different MLA thanbefore was chosen Attention Be sure to have the selected MLA physically installed infront of your Wavefront Sensor Otherwise all measurement data become invalid because wron...

Страница 84: ...accurately knownfor a plane wavefront at vertical incidence and acts as an Internal reference It is recommended to use this internal reference unless a perfect plane or spherical wavefront is available to perform a User Calibration There is no default user calibrationdelivered witht he instrument Therefore as soonas the User Calibrated Reference is activated youwill be informed that sucha default ...

Страница 85: ... wavelengthyielding the unit waves Inthe latter case youare required to input the operating wavelengthinnm Switchto waves unit and theninput the operating wavelengthof your light source The accepted wavelengthrange is 300 to 1100 nm and corresponds to the wavelengthrange of models WFS150 5C and WFS10 5C CancelAverage Wavefront Tilt Inpractice the directionof the input beam is not perfectly perpend...

Страница 86: ... Reference Internal Reference Wavefront Unit µm operating wavelength 633 nm red HeNe Cancel Average Wavefront Tilt off 4 2 3 4 Zernike Fit Setup This setup panel contains definitions of the Zernike Fit that directly influence the wavefront representationinterms of Zernike coefficients and wavefront reconstruction To openthe setup panel youcanuse the Menu Setup Wavefront Sensor entry or simply clic...

Страница 87: ... is set to the highest possible value whichis feasible The highest number of Zernike modes must not exceed the amount of detected spots withinthe pupil Highest order in Fourier and Optometric calculations This control canbe set to 2 4 or 6 and forces the numerical calculationof the Fourier coefficients M J0 and J45 as well as the Optometric parameters Sphere Cylinder and Axis to consider Zernike t...

Страница 88: ...layed onthe Wavefront graphical display with Reconstructed wavefront selected Also the numerical displays for Peak to Valley PV and RMS wavefront distortions will depend onthis mode selection For a complete reconstructionusing all calculated Zernike modes click on Select all Default Settings At first program start the following default settings become active Fit up to Zernike Order 4 manual settin...

Страница 89: ...Rate inframes per second fps This may be required whenthe Wavefront Sensor GUISoftware is used as a data source to a user applicationthat is connected via the DataSocket interface Inthis case the graphical displays of the Wavefront Sensor GUIbecome redundant and its updating and canbe disabled NOTE Selecting a lower camera resolutiononpanel Camera Settings will result inless spots to be calculated...

Страница 90: ...Sample Rate The extra data consists of statistics about the image The maximum brightness pixels must be below 255 digits to prevent sensor saturation Sat indicates the percentage of saturated pixels The calculated values for all spot diameters are data to verify the optical quality during assembling Especially the lenslet tilt needs to be adjusted to below 0 01degree inorder to ensure accurate mea...

Страница 91: ...ed inmm Incase of a Gaussianbeam shape the second moment coincides withbeam widthat the standard 1 e2 a clip level Please take into account that this data cannot give anexact measure of the beam because the lenslet array infront of the camera and wavefront distortions have changed the intensity distributionbetweenthe real beam and the camera image Furthermore highambient light level and improper s...

Страница 92: ...onsetting inthe Zernike Fit Setup panel Zernike orders up to 2 4 or 6 go into these constants Optometric Constants Optometric constants are Sphere Cylinder indiopters and the axis angle of the cylinder indegrees Depending onsetting inthe Zernike Fit Setup panel Zernike orders up to 2 4 or 6 go into these constants Radius of Curvature RoC This parameter is based onthe 5thZernike term Defocus and de...

Страница 93: ...10 000mm the result will be displayed like RMS Variations Since the Zernike modes are normalized to unity variance all Zernike coefficients of a particular order canbe summarized and expressed as total RMS variationof this Zernike order The number of Zernike orders defined inZernike Fit Setup panel will determine the number of output appropriate RMS variationresults Zernike Modes The coefficients ...

Страница 94: ...era resolutionwithinthe Camera Settings Setup incase the pupil diameter is close to the image dimensions Low Spot Count within pupilmay cause reduced Zernike accuracy Evenif the number of detected spots withinthe pupil exceeds the minimum required number there may occur anincreased calculationerror during the Zernike Fit especially incase of highorders Therefore higher order fits up to order 7 10 ...

Страница 95: ...gs Setup of the camera are fixed to a manual entered level Change the manual setting or enable automatic control of these camera parameters Whenthis error occurs also for the highest Exposure Time and Gain setting or if auto is already enabled the light intensity of the beam to be analyzed is too low for the Wavefront Sensor Increase the power of your light source or reduce attenuation infront of ...

Страница 96: ...ger cable see Trigger Input for details or switchback to disabled trigger functionality inthe Camera Settings Setup Measurement stopped This message is not anerror or warning but will notice the user that the continuous measurement has beenstopped either by the user or due to occurrence of another error so that the displayed data and graphs do not indicate actual wavefront data Graphics disabled T...

Страница 97: ...ance the image saturationlevel remains unknown Spot centroids mismatched There is a violationof the spot centroid positions detected withinthe camera withits calculationwindows defined whenHighspeed Mode was entered That is the spot shifts went too far and cannot be detected accurately anymore Switchoff and onHighspeed Mode withoption Adapt centroids enabled to overcome this situation ...

Страница 98: ...Youwill increase the accuracy of the calibrationwhenthe Wavefront Sensor works withaverages 1 see Camera Settings Setup panel The generated user calibrationdata are only valid for the actual MLA and camera image size selected inthe Camera Settings Setup and Wavefront Setup panel Switching to another MLA or camera resolutionwill require a new calibration User Calibration using a Plane Wavefront Ino...

Страница 99: ...ings and MLA see Wavefront Setup is changed and the appropriate reference file is loaded the current reference inmemory get lost User Calibration using a SphericalWavefront Inorder to perform this user calibrationyouneed to apply a highquality divergent beam that originates from a point source having a perfect spherical wavefront A single mode fiber output without any collimators or lenses is idea...

Страница 100: ...stance and displays it as Radius of Curvature RoC Larger distances are better suited for calibrationbecause the wavefront curvature is lower and closer to a plane wavefront Start the calibrationprocedure using Menu Calibration Spherical Wavefront or simply click onthe appropriate symbol inthe toolbar The following panel illustrates the required calibrationsetup Click Do Calibration to perform the ...

Страница 101: ... available infollowing Wavefront Sensor sessions Otherwise if youclick No the calibrationremains inmemory and active but is lost as soonas the program is terminated Also whenthe sensor resolution see Camera Settings or the MLA see Wavefront Setup is changed and the appropriate reference file is loaded the current reference inmemory gets lost Inorder to be distinctively the user reference file name...

Страница 102: ... not change the content of these reference files they would become unusable The stored file for anparticular camera resolutionis loaded automatically at program start and every time the camera resolutionis changed but only if User Calibration optionis enabled ...

Страница 103: ... set to a decimal comma or point inorder to achieve the desired output format Point is selected by default If the option Omit Header Data is enabled the entire header including the listing of single wavefront and Zernike fit results is omitted and only the wavefront data array is saved This wavefront data array is surrounded by x and y scale information whereas the first columnindicates the x coor...

Страница 104: ...1 Use Beam Centroid 1 Use Beam Dia 0 Wavefront Calc In Pupil 0 Pupil Diameter X mm 1 500 Pupil Diameter Y mm 1 500 Pupil Center X mm 0 003 Pupil Center Y mm 0 011 ZERNIKE FIT Zernike Orders Auto 0 Zernike Orders 4 Zernike Modes 15 Unit µm Index Order Frequency Coefficient 1 0 0 0 251 2 1 1 0 000 3 1 1 0 021 4 2 2 0 001 5 2 0 0 270 6 2 2 0 003 7 3 3 0 000 8 3 1 0 000 9 3 1 0 000 10 3 3 0 001 11 4 4...

Страница 105: ... 0 000 0 044 0 015 0 084 0 265 0 150 0 733 0 561 0 285 0 086 0 035 0 083 0 044 0 053 0 229 0 300 0 750 0 603 0 329 0 132 0 004 0 046 0 008 0 091 0 267 0 450 0 807 0 711 0 444 0 246 0 117 0 064 0 093 0 200 0 376 0 600 0 931 0 897 0 628 0 431 0 304 0 249 0 277 0 382 0 564 Incase the option Omit Header Data was enabled the file content is limited to the following lines Spots X 9 Spots Y 9 y x mm 0 60...

Страница 106: ...te value canbe set to four different characters Comma is selected by default The decimal character canbe set to a decimal comma or point inorder to achieve the desired output format Point is selected by default If the option Omit Header Data is enabled the entire header including the listing of camera beam and pupil data is omitted and only the centroid data array is saved Choose menuitem File Sav...

Страница 107: ...4 181 699 107 331 213 876 107 270 246 219 107 205 278 445 107 308 20 218 139 755 52 772 139 424 85 022 139 721 117 093 139 573 149 309 139 615 181 727 139 616 213 887 139 590 246 201 139 585 278 454 139 498 20 415 171 895 52 737 171 847 84 831 171 819 117 084 171 803 149 366 171 828 181 724 171 859 213 953 171 815 246 173 171 853 278 390 171 825 20 309 204 342 52 625 204 186 84 893 204 197 117 122...

Страница 108: ...5 022 139 721 117 093 139 573 149 309 139 615 181 727 139 616 213 887 139 590 246 201 139 585 278 454 139 498 20 415 171 895 52 737 171 847 84 831 171 819 117 084 171 803 149 366 171 828 181 724 171 859 213 953 171 815 246 173 171 853 278 390 171 825 20 309 204 342 52 625 204 186 84 893 204 197 117 122 204 171 149 345 204 099 181 733 204 063 213 944 204 079 246 234 204 045 278 466 204 056 20 327 2...

Страница 109: ...canbe set to four different characters Comma is selected by default The decimal character canbe set to a decimal comma or point inorder to achieve the desired output format Point is selected by default If the option Omit Header Data is enabled the entire header including the listing of camera beam and pupil data is omitted and only the power distributiondata array is saved Choose menuitem File Sav...

Страница 110: ...1 8132 8862 9068 8898 8327 7417 7623 8757 9498 9800 9623 9192 8032 7911 9085 9696 10105 9870 9378 8261 7738 8839 9687 9732 9762 9227 8113 7257 8161 8802 9143 8958 8341 7516 6494 7317 7893 8088 7849 7548 6761 Spot intensities are saved inarbitrary units and result from summing the camera pixel intensities belonging to a single spot The upper left corner of the selected camera image size is the orig...

Страница 111: ... the graphical displays and the instrument setup are automatically saved whenyouleave the program Whenyoustart the Wavefront Sensor GUIagainyour last settings are automatically loaded and youare able to go onwithyour work as if there newer was a break Inadditionyoumight store the complete instrument settings into a cfg file These files containing different Wavefront Sensor configurations canbe rel...

Страница 112: ...running onthe same machine Anapplicationon the same PC A retrieves the data b PC A runs the Wavefront Sensor applicationwhichsends the measurement data to the local DataSocket server onthe same machine Anapplicationonanother PC B retrieves the data PCs A and B are connected via a network c PC A runs the Wavefront Sensor applicationwhichsends the measurement data to the distinct DataSocket server r...

Страница 113: ...igured to allow Read and Write access from the connected computers Inaddition the writer application the PC driving the Wavefront Sensor requires rights as a creator of new data items Openthe DataSocket Server Manager using Start Program Files National Instruments DataSocket DataSocket Server Manager Click on Creators and set everyhost to be allowed to create new data items Repeat this also for th...

Страница 114: ...guration Firewallconfiguration The integrated firewall software inMicrosoft Windows XP and higher operating systems may be configured to block access to the DataSocket server Openthe firewall configurationpanel and go to the Exceptions tab Look for the National Instruments DataSocket Server entry and mark the appropriate check box to allow anexception 4 2 12 1 Configuration Panel To configure the ...

Страница 115: ...s check box is marked the software will continuously send setup and result data of the Wavefront Sensor measurement to the DataSocket server See Available Data Items for a descriptionof the available data items Enable wavefront data Whenthis check box is marked the software will automatically send the entire wavefront data array to the DataSocket server Because the amount of data canbe considerabl...

Страница 116: ...vefront Sensor results are Data Item Format Unit example Beam_Center_X float mm Beam_Center_Y float mm Beam_Diameter_X float mm Beam_Diameter_Y float mm Wavefront_PV float unit according to Wavefront_Unit_Um_Waves Wavefront_RMS float unit according to Wavefront_Unit_Um_Waves Wavefront_wRMS float unit according to Wavefront_Unit_Um_Waves Fourier_M float Fourier_J0 float Fourier_J45 float Optometric...

Страница 117: ... DataSocket configurationpanel the raw spot centroid data arrays from the actual Wavefront Sensor measurement are sent to the DataSocket server Data Item Format Unit example Centroids_X short required array size inx direction 2nd index Centroids_Y short required array size iny direction 1st index Centroid_Pos_X float array centroid x coordinates in pixels Centroid_Pos_Y float array centroid y coor...

Страница 118: ... Auto Update for connecting and automatically updating the data items as soonas they are modified onthe DataSocket server Mark the Enable beep when data is updated switch for anacoustic signal oneachdata update Anupdate is carried out automatically by the callback routine DSCallback which is fired whenever data or status onthe DataSocket is changed When Connect Man Update was used anupdate is only...

Страница 119: ...tire window Beforehand a panel will be displayed to set some printing options Select the printer connected to your PC or network Just click OK for immediate printing It is recommended however to keep aneye onsome printing options First of all select the desired printer go to its Properties buttonand set the desired paper format portrait or landscape there There are some predefined options already ...

Страница 120: ...if the Wavefront Sensor is connected to the USB 2 0 port of the PC by the delivered USB 2 0 cable The LED at the back of the Wavefront Sensor will indicate the instrument state LED off USB cable or USB port is defect LED red Sensor not recognized by the Windows system install the Wavefront Sensor drivers see Software Installation LED green Wavefront Sensor is properly installed ancanbe used by the...

Страница 121: ... driver and follow the guidance of your system If required lead the system to this directory c Windows Inf containing all installed drivers 2 No measurement values are updated Displayed power values and graphs seems to be not updated Perhaps the measurement has beenstopped Look at the message window of the Wavefront Sensor GUI right down If there is a message like this youonly have to start the me...

Страница 122: ...applying a trigger signal 3 The menu items toolbar buttons and setting values in the main panelare not reacting on your clicks There is a Wavefront Sensor popup window openlike Wavefront Sensor Message The input focus lies only onthis openpopup window Close the openpopup window to get the input focus back to the mainpanel 4 Erroneous or no measurement data Check the correct Microlens Array MLA sel...

Страница 123: ...functions like the automatic exposure control may be influenced New hot pixel visible inLineview panel at horizontal position200 Incase a new stable and strong hot pixel more than50 digits intensity deviationto ambient pixels becomes visible whether inpanels Lineview or Spot Field you may send your WFS instrument back to Thorlabs inorder to repeat the hot pixel correction Please contact your local...

Страница 124: ...ontrol and laboratory use EMC requirements Immunity complies withimmunity test requirements for equipment intended for use inindustrial locations 1 Emission complies withEN55011Class B Limits 1 IEC 61000 4 2 Electrostatic Discharge Immunity Performance criterionB IEC 61000 4 3 Radiated RF Electromagnetic Field Immunity Performance CriterionA IEC 61000 4 4 Electrical Fast Transient Burst Immunity P...

Страница 125: ...warrants the hard and software determined by Thorlabs for this unit to operate fault free provided that they are handled according to our requirements However Thorlabs does not warrant a faulty free and uninterrupted operationof the unit of the soft or firmware for special applications nor this instructionmanual to be error free Thorlabs is not liable for consequential damages Restriction of warra...

Страница 126: ... 300 Wavefront Sensor Specifications a Absolute accuracy using internal reference Measured for spherical wavefronts of known RoC b Typical relative accuracy Achievable after and with respect to a user calibration 10 image averages c Over entire aperture of wavefront sensor d Radius of wavefront curvature over single lenslet aperture See Microlens Data for detailed specifications of the supplied mo...

Страница 127: ...o a user calibration 10 image averages c Over entire aperture of wavefront sensor normal mode d max local wavefront slope qmax in high speed mode e Radius of wavefront curvature over single lenslet aperture f Typical speed without graphical display depending on PC hardware 5th order Zernike fit at specific camera resolution min exposure time See Microlens Data for detailed specifications of the su...

Страница 128: ...echnology whichallows for excellent uniformity inthe shape and positionof eachmicrolens unlike some microlens arrays produced from molded epoxy The three Wavefront Sensor models WFS150 5C WFS150 7AR WFS300 14AR and the corresponding fast models WFS10 5C WFS10 7AR WFS10 14ARutilize the mounted M microlens arrays MLA150M 5C MLA150M 7ARand MLA300M 14AR respectively The MLA150M 5C has a chrome mask th...

Страница 129: ... 2007 2012 Thorlabs GmbH 126 WFS Series Geometric Parameters of the MLA Series without mounting Specifications of the MLA Series ...

Страница 130: ...equires a beam and pupil diameter of minimal size The following graphshows the dependency for bothavailable microlens arrays of 150 and 300 µm pitch For a desired Zernike order youneed to set the pupil to the required diameter within the Pupil Definitions Setup Also your physical beam diameter needs to illuminate at least the same camera area so that the required number of spots canbe detected Inc...

Страница 131: ...ram shows the typical reflectivity of the lenslet array Its guaranteed reflectivity inthe wavelengthrange 400 to 900 nm is below 1 Reflectivity of MLA150 7AR and MLA300 14AR including AR Coating Note The total reflectivity of the WFS series instruments may be higher due to reflections from the CCD CMOS camera chip and its covering window TypicalTransmission of Fused Silica Material ...

Страница 132: ... 2007 2012 Thorlabs GmbH 129 Appendix TypicalResponse of the WFS CCD camera TypicalResponse of the WFS10 CMOS camera ...

Страница 133: ...struments is placed at the rear side of the camera housing Besides the standard USB Mini B connector whichis normally used to connect the WFS to a PC a second 9 pole Micro D Sub connector is available for trigger input Note For using the trigger input youneed to replace the standard USB cable supplied withthe WFS instrument withthe optionally available combined USB Trigger Cable CAB DCU T2 whichne...

Страница 134: ...both USB cables connected you may damage the Wavefront Sensor and your computer The following drawing shows how to connect the trigger source to the Micro D Sub jack Apply your trigger source to the free cords of the combined USB Trigger Cable CAB DCU T2 according to the following drawing ...

Страница 135: ...tention Do not apply voltages exceeding the given specifications you may damage the WFS10 instrument The trigger input of the WFS10 series instruments is placed at the rear side of the camera housing Besides the standard USB Mini B connector there is a 12 pole Hirose connector available for trigger input ...

Страница 136: ...labs GmbH 133 Appendix The following drawing shows how to connect the trigger source to the Hirose jack Apply your trigger source to the free cords of the Trigger Cable CAB WFS10 T1 according to the following drawing ...

Страница 137: ...ed by the Thorlabs WFS series Wavefront Sensors are related to the reference positionof the sensor This positionis identical to the locationof the microlenses onthe back face of the microlens array Since this locationis different for bothmodels also the reference positionis model specific ...

Страница 138: ... supply standard threads M4 and UNC8 32 whichare compatible to the palette of Thorlabs mounts and posts holders This adapter plate is already mounted to the bottom side of the Wavefront Sensor using the 4 screws M3x6 WFS or 3 screws M3x6 and 1x M2x6 WFS10 Youcan remove this adapter plate if it is not required WFS Adapter Plate ...

Страница 139: ... 2007 2012 Thorlabs GmbH 136 WFS Series WFS10 Adapter Plate ...

Страница 140: ...ogonal over the unit circle and are easily normalized to form anorthonormal basis Zernike modes are conveniently expressed ineither polar or rectangular coordinate reference frames Polar coordinates r are radius r and radial angle whereas r a with as polar radial dimensionand a as the pupil radius Rectangular coordinates are x any y bothnormalized to unit radius 1 The natural scheme for ordering o...

Страница 141: ...a positive and negative frequencies are switched insignto get a more natural order Normalization factor A normalizationfactor Norm is used to convert the orthogonal set of Zernike polynomials into a set of orthonormal functions having a Unity Variance which means that eachnormalized functionhas become a RMS variationof 1 That is the total measured wavefront variationfor a particular mode is WFS_Co...

Страница 142: ...bs GmbH 139 Appendix The next table illustrates the wavefront aberrations for Zernike functions of order 0 7 for all angular frequencies Literature D Malacara Optical Shop Testing 2nd ed JohnWiley Sons Inc New York 1992 ...

Страница 143: ... 2007 2012 Thorlabs GmbH 140 WFS Series 6 3 9 Drawing WFS150 5C ...

Страница 144: ... 2007 2012 Thorlabs GmbH 141 Appendix 6 3 10 Drawing WFS150 7AR ...

Страница 145: ... 2007 2012 Thorlabs GmbH 142 WFS Series 6 3 11 Drawing WFS300 14AR ...

Страница 146: ... 2007 2012 Thorlabs GmbH 143 Appendix 6 3 12 Drawing WFS10 5C ...

Страница 147: ... 2007 2012 Thorlabs GmbH 144 WFS Series 6 3 13 Drawing WFS10 7AR ...

Страница 148: ... 2007 2012 Thorlabs GmbH 145 Appendix 6 3 14 Drawing WFS10 14AR ...

Страница 149: ... OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards components mechanics and optics left over parts of units disassembled by the user PCBs housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information WEEE registrationnumber Germany DE97581288 6 4 1 Waste treatment on your ...

Страница 150: ...mmunity EU EuropeanUnion FPS Frames per Second FWHM Full WidthHalf Maximum GUI Graphical User Interface MLA Microlens Array NI National Instruments OEM Original Equipment Manufacturer PC Personal Computer PCB Printed Circuit Board RoC Radius of Curvature RoHS Restrictionof the Use of CertainHazardous Substances inElectrical and Electronic Equipment VISA Virtual Instrument Software Architecture USB...

Страница 151: ...9 0 8131 5956 0 Fax 49 0 8131 5956 99 Email europe thorlabs com Web www thorlabs com USA Thorlabs Inc 56 Sparta Avenue Newton NJ 07860 USA Sales and Support Phone 1 973 579 7227 Fax 1 973 300 3600 Email sales thorlabs com techsupport thorlabs com Web www thorlabs com Japan Thorlabs JapanInc 3 6 3 Kitamachi Nerima ku Tokyo 179 0081 Japan Sales and Support Phone 81 3 6915 7701 Fax 81 3 6915 7716 Ema...

Страница 152: ...ina Sales and Support Phone 86 0 21 32513486 Fax 86 0 21 32513482 Email chinasales thorlabs com Web www thorlabs com Our company is also represented by several distributors and sales offices throughout the world Please call our hotline send anEmail to ask for your nearest distributor or just visit our homepage http www thorlabs com ...

Страница 153: ... 3D View 58 Default Setup Parameters 65 Default Top View 58 Description 23 Difference 58 Display 43 Display Graphics time consuming 86 Driver 10 E Ecological Background 146 Enable basic data 111 112 Enable wavefront data 111 112 Error List 91 Errors 91 Exchanging the Microlens Arrays 28 Exposure time 67 F File 43 100 103 Firewall 109 Fit Error 88 Fit up to Zernike Order 83 Fourier constants 88 Fun...

Страница 154: ...S wavefront variations 63 RoC 88 Rremote DataSocket server 111 S Safety 4 Save Centroid Data 103 Save Instrument Settings 108 Save Measurement Data 100 103 Save Only Wavefront Data 100 103 Save Power Distribution Data 106 Separate DataSocket server 111 Serial Number 108 Service 117 Setup 43 65 Setup Panel 65 Shack Hartmann 23 Show RMS wavefront variations in Zernike orders 63 Slit 134 Software Ins...

Страница 155: ...avefront Panel 58 Wavefront Reference 79 wavefront resolution 67 Wavefront Sensor Setup 65 Wavefront Unit 79 Wavelength 79 Wavelength Curves 128 waves 79 WEEE 146 WFS_Receiver example program 115 wRMS 88 Z Zernike Bar Graph Configuration 63 Zernike Coefficients Panel 63 Zernike Fit 83 137 Zernike Modes 88 137 Zernike Order 83 ...

Страница 156: ......

Страница 157: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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