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Revision 00 EN - 01/2021

HP-MSM-HB

35,0(6

21.1  Dimensions of the HP-MSM-HB ..............................................................................................79
21.2  Dimensions of the HP-MSM-HB with fibre bridge ....................................................................81
21.3  Dimensions of the HP-MSM-HB 20 kW ...................................................................................84
21.4  Dimensions of the HP-MSM-HB 20 kW with fibre bridge  ........................................................86

Appendix A:

22.1 Power measurement with the PLM on the HP-MSM-HB .........................................................88
22.2 Measuring pulsed irradiation ...................................................................................................89

22.2.1  Measuring configuration selection .............................................................................91
22.2.2  Influence of the pulse parameters on the integration time control ..............................91
22.2.3  Examples for triggered measuring mode ...................................................................95
22.2.4 Summary ..................................................................................................................96

Appendix B: Basis of laser beam diagnosis

23.1 Laser beam parameter ............................................................................................................97

23.1.1 Rotationally symmetric beams...................................................................................98
23.1.2 Non rotationally symmetric beams ............................................................................99

23.2 Calculation of beam data ......................................................................................................100

23.3 Measurement errors ..............................................................................................................104

23.3.1  Error in determining zero level .................................................................................104
23.3.2  Saturating the signal ...............................................................................................104
23.3.3  Errors from incorrect measurement window size .....................................................105

Appendix: LaserDIagnosticSoftware LDS

106

24.1 File ........................................................................................................................................107

24.1.1 New (menu

File > New

) ..........................................................................................107

24.1.2 Open (menu

File > Open

) .......................................................................................107

24.1.3 Close/Close all (menu

File > Close/Close all

) .........................................................107

24.1.4 Save (menu

File > Save

) .........................................................................................107

24.1.5 Save as (menu

File > Save As

) ...............................................................................107

24.1.6 Export (menu

File > Export

) ...................................................................................107

24.1.7 Load measurement preferences (menu

File > Load measurement preferences

) ..108

24.1.8 Save measurement preferences (menu

File > Save measurement preferences

) ...108

24.1.9 Protocol (menu

File > Protocol

) .............................................................................108

24.1.10 Print (menu

File > Print

) .........................................................................................108

24.1.11 Print preview (menu

File > Print preview

) ...............................................................108

24.1.12 Recently opened files (menu

File > Recently opened Files

) ...................................108

24.1.13 Exit (menu

File > Exit

) .............................................................................................108

24.2 Edit .......................................................................................................................................109

24.2.1 Copy (menu

Edit > Copy

) .......................................................................................109

24.2.2 Clear plane (menu

Edit > Clear plane

) ...................................................................109

24.2.3 Clear all planes (menu

Edit > Clear all planes

) .......................................................109

24.2.4 Change user level (menu

Edit > Change User Level

) .............................................109

24.3 Measurement ........................................................................................................................109

24.3.1 Measuring environment (menu

Measurement > Environment

) ..............................109

24.3.2 Sensor parameters (menu

Measurement > Sensor parameter

) ............................111

24.3.3 Beam find settings (menu

Measurement > BeamFind Settings: Beamfind

.........111

24.3.4 CCD info (menu

Measurement > CCD Info

) ..........................................................112

24.3.5 CCD settings (menu

Measurement > CCD Settings

) ............................................113

24.3.6 LQM adjustment (menu

Measurement > LQM Adjustment

) ..................................115

Содержание HP-MSM-HB

Страница 1: ...Revision 00 EN 01 2021 HighPower MSM HighBrilliance HP MSM HB HP MSM HB 20 kW LaserDiagnosticsSoftware LDS 2 98 35 0 6 Original Instructions...

Страница 2: ......

Страница 3: ...3 Revision 00 EN 01 2021 HP MSM HB 35 0 6 IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE USE...

Страница 4: ...ortant conditions for the position of the focused laser beam 21 7 3 2 Mounting the cyclone 22 7 3 3 Positioning the pilot laser beam above the cyclone 23 7 4 Mounting the Fibre Bridge option 25 8 Cool...

Страница 5: ...ment 55 13 6 3 Measurement settings menu Measurement Single 56 13 6 4 Caustic settings menu Measurement Caustic 57 13 6 5 CCD settings menu Measurement CCD Settings 58 13 6 6 Option advanced user only...

Страница 6: ...Saturating the signal 104 23 3 3 Errors from incorrect measurement window size 105 24 Appendix LaserDIagnosticSoftware LDS 106 24 1 File 107 24 1 1 New menu File New 107 24 1 2 Open menu File Open 107...

Страница 7: ...esentation Fixed Contour Lines 134 24 4 10 Variable contour lines menu Presentation Variable Contour Lines 134 24 4 11 Graphical review menu Presentation Graphical Review 137 24 4 12 Systemstate menu...

Страница 8: ...measuring devices to determine the following beam parameters Laser power Beam dimensions and position of an unfocused beam Beam dimensions and position of a focused beam Beam quality factor M Develop...

Страница 9: ...roduces scattered or directed reflection of the laser beam laser class 4 The reflected beam is usually not visible Protect yourself from direct and reflected laser radiation while working with the dev...

Страница 10: ...supply Keep a safe distance to the magnetic spring with objects that can be damaged by magnetism These include for example televisions and monitors credit cards computers data carriers video tapes me...

Страница 11: ...afety precautions are not taken CAUTION Means that minor physical injury may occur if necessary safety precautions are not taken NOTICE Means that property damage may occur if necessary safety precaut...

Страница 12: ...a PC or via the system control The description of the software focuses on configuration and communication settings as well as measure ment operation This operating manual describes the software versio...

Страница 13: ...o 1000 m In the measuring range the power density distribution can be measured individually in up to 50 measuring planes The beam caustic is then made up of these measuring planes The beam geometries...

Страница 14: ...am path on the image side directly behind a filter wheel by moving both levers to the upper position The alignment objective simplifies the beam search since it reduces the size of the image and the r...

Страница 15: ...d absorbers via the beam splitter The laser beam is attenuated by further optical elements in the device until it can be guided to a CCD sensor Measuring Plane Upper Limit Mirrows Trigger diode Filter...

Страница 16: ...easurement Range of the HP MSM HB 4 6 1 Measurement Range of the HP MSM HB 10 kW Tab 13 2 shows the correlation between power diffraction index M and the focus radius Tab 4 1 Power in kW as a function...

Страница 17: ...tion of the laser divergence angle 4 7 Magnetic spring With the HighBrilliance measuring objective a magnetic spring is mounted which counteracts to the weight of the measuring objective and thus reli...

Страница 18: ...pter 6 on page 19 3 Alignment to the laser beam and stable mounting An alignment tool is included in the scope of delivery You need 6 screws M8x1 and 2 screws for the mounting holes 6 6 mm Chapter 7 o...

Страница 19: ...andle the measuring device carefully when transporting or installing it X To avoid contamination close the measuring objective with the cover provided X Only transport the device in the original PRIME...

Страница 20: ...d radiation occurs on the corner of the objective X Wear safety goggles which are adapted to the used laser wavelength X When mounting the device please ensure that it cannot be moved by unintentional...

Страница 21: ...in range above the measuring objective NOTICE Damaging destroying the device The focus has to be in a defined range with reference to the measuring objective In case it is too close or too distant the...

Страница 22: ...e distance of the measuring plane from the upper corner of the mea suring objective In order to be able to align the HP MSM HB beneath the laser an associated alignment tool is provided By means of th...

Страница 23: ...cted dust can enter the objective directly when the cyclone is mounted X X Turn on the purge air see chapter 8 2 on page 30 X X Remove the transportation lock by loosening the four screws Transportati...

Страница 24: ...e z position of the measuring plane of the objective X X Turn on the pilot laser If the laser hits the little bore in the cover vertically it is displayed centrally on the sensor Typically the misalig...

Страница 25: ...Dismount the cyclone before the startup 4 Screws a f 2 5 mm Alignment tool on cyc lone Mounting order Distance plates are required to fix the fiber bridge On newer models the plates are fixed under t...

Страница 26: ...Align the plates with reference to the tapped bores picture B Fiber Bridge C 3 Put the fiber bridge on the distance plates D 4 Fasten the fiber bridge by means of two screws on both sides M5 x 10 mm...

Страница 27: ...ig 8 1 Media Connections of the HP MSM HB 20 kW NOTICE Fire hazard Damage Destruction of the device due to overheating If there is no water cooling or a water flow rate which is insufficient there is...

Страница 28: ...cause corrosion of the aluminum due to the different chemical potentials X Do not connect the device on a cooling circuit in which aluminum components are installed The device can be operated with tap...

Страница 29: ...mperature of the cooling water must not be lower than the dew point see Tab 8 1 on page 29 NOTICE Damage Destruction of the device due to condensing water Condensation water inside of the objective wi...

Страница 30: ...tions and keep it in a save place 3 Close the flow line Water In and the return flow Water Out of the device by inserting the hose as far as pos sible approx 2 cm deep Fig 8 2 Remove the sealing plugs...

Страница 31: ...tablished and switch the device on before starting the LaserDiagnosticsSoftware LDS 9 1 Connections Outlet data transfer signal On off Switch Input external trigger BNC Output internal trigger BNC Eth...

Страница 32: ...in Function 1 5 V Trigger signal 2 GND Fig 9 2 Connection socket inlet for an external trigger in the connection panel 9 2 3 Outlet internal trigger BNC connector view connector side 1 2 Pin Function...

Страница 33: ...referencing procedure is triggered during the measurement Pin diagram view from plug in side Pin Core Color PRIMES Cable Function 1 3 4 1 Brown Mutual Pin 3 Blue If ready for operation bridged with p...

Страница 34: ...34 Revision 00 EN 01 2021 HP MSM HB 35 0 6 HP MSM HB Adapter PRIMES Power Supply Crossover cable Ethernet PC LAN Ethernet or Patch cable Fig 9 5 Connection via Ethernet with a PC or a local network...

Страница 35: ...e device has got two status LEDs Name Color Meaning Power Green The power supply is switched on Measuring Yellow A measurement is running Tab 10 1 Description of the status LEDs on the HP MSM HB Power...

Страница 36: ...tor 19 screen diagonal is recommended resolution at least 1024x768 LDS Version 2 98 or higher 11 2 Installing the software The installation of the software is menu driven and is effected by means of t...

Страница 37: ...n Free communication see chapter 11 3 2 on page 37 If you want to connect the HP MSM HB to the network using the fixed IP address first turn on the HP MSM HB and then connect the network cable to the...

Страница 38: ...ry useful when problems occur The protocol is saved in the installation directory of the LaserDiagnosticsSoftware LDS The file name is buspro log YYYY MM DD YYYY MM DD date of file creation 7 Click on...

Страница 39: ...d with three digits For example the number 84 has to be entered like this 084 For reasons of clarity the symbol marks a space Example You want to change the IP address from 192 168 116 85 to 192 168 1...

Страница 40: ...nication Free Communication 3 Choose in the field Mode TCP the option Second IP must not be activated 4 Enter the current IP address in the TCP field 5 Click on the Connect button connected appears in...

Страница 41: ...5 Activating the DHCP function in the dialogue window Free Communication After restarting the device in the network a new IP address is requested and automatically assigned by the server router The F...

Страница 42: ...the LDS symbol in the new start menu group or the desktop link 12 1 Graphical user interface Firstly a start window is opened in which you can choose whether you would like to measure or whether you...

Страница 43: ...up Dialogue Window Tool Bar Menu Bar Fig 12 3 The main elements of the user interface It is possible to open several measuring and dialogue windows simultaneously In this case windows that are basical...

Страница 44: ...44 Revision 00 EN 01 2021 HP MSM HB 35 0 6 12 1 1 The menu bar In the menu bar all main and sub menus offered by the program can be opened Fig 12 5 Menu bar...

Страница 45: ...data record 4 Open the isometric view of the selected data record 5 Open the variable contours line view 6 Open review 86 7 Open false color depiction 8 Caustic presentation 2D 9 List with all data re...

Страница 46: ...dard print menu Print preview Shows the content of the printing order Recently opened files Shows the file opened before Exit Terminates the program Edit Copy Copies the current window to the clipboar...

Страница 47: ...e different layers basing on the 2 mo ment beam radius definition Caustic Results of the caustic measurement and the results of the caustic fit such as beam quality factor M focus position and focus r...

Страница 48: ...RIMES List Shows a list of the opened windows Python Opens the script generator in order to control complex measuring procedures automati cally scripting language Python Help Activation Enables the ac...

Страница 49: ...ult during measuring operation X When mounting the device please ensure that it cannot be moved neither due to an unin tended push or a pull on the cables NOTICE Damaging destroying the device Obstacl...

Страница 50: ...10 mrad 13 Increase the power gradually until the measuring power is reached and carry out a caustic measurement it might be necessary to adapt some parameters 14 After finishing the last measurement...

Страница 51: ...ck list measurement settings LDS Menu Path Action Measurement Environment Enter the focal length Measurement Sensor param eters Preset 64 pixel for the resolution x Preset 64 pixel for the resolution...

Страница 52: ...Yes Increase z axis value Increase z axis value until the beam fits into the biggest window Upper limit value for the caustic measure ment found Decrease the z axis value until the beam fits to the b...

Страница 53: ...etric measurement 3 zR to 1 zR Enter caustic limit values Set number of mea surement planes to 21 Open new file Start measurement Set caustic limits 3 zR around the focus Start caustic measurement Che...

Страница 54: ...rement task such as the wavelength the laser power or the geometry of the laser beam Tab 13 4 Color meaning of the setting options 13 6 1 Sensor parameters menu Measurement Sensor parameter Adaptable...

Страница 55: ...ring environment menu Measurement Environment Fig 13 3 Dialogue window Measuring Environment Focal length Stating the focal length is relevant for the evaluation of the caustic measurements From the c...

Страница 56: ...5 Hz this operating mode is particularly suited for use when aligning the device The numeric results should not be interpreted absolutely but rather always relative to each other Optical amplification...

Страница 57: ...on the measuring plane and displayed in the caustic illustration Beam measurement norm DIN 11146 specifies that at least 10 measuring planes should be measured Furthermore five measurements should als...

Страница 58: ...enuation and operating mode are all set in the CCD Settings dialog window Trigger modes The appropriate settings must be configured here in keeping with the operating mode of the laser to be mea sured...

Страница 59: ...based measuring system it is impor tant to check that the right selections have been made before each measurement The wavelengths shown here represent the calibration points of the measuring objectiv...

Страница 60: ...information on the menu Measurement CCD Settings in chapter 24 3 5 on page 113 13 6 6 Option advanced user only menu Measurement Option Fig 13 7 Dialog window Option Enable beam find process The Beam...

Страница 61: ...etermination of a measuring plane the optimal fill factor value to produce the best possible mathematical result will be different For TopHat and Gaussian beam shaped laser beams the fill factor shoul...

Страница 62: ...layed in the test panel of the Single Measurement window The beam can then be recorded using the Measure button The size of the measurement window depends on the magnification of the objec tive Influe...

Страница 63: ...r series It is possible to switch back and forth be tween the individual measuring planes With the button Copy the measurement settings window size and position power and amplification can be copied f...

Страница 64: ...he focus length focus radius and beam parameter product During manual measurement all parameters are configured by hand following individual measurements The caustic can then be manually measured The...

Страница 65: ...n the menu The Details menu point allows the user to configure the beam search parameters by changing the spacial resolution threshold value and minimum signal If automatic find beam needs to be left...

Страница 66: ...Select the next plane and start again at Point 3 Steps 3 through 6 can be repeated ten to fifteen times Record a time series menu Measurement Single Fig 13 13 Dialogue window Measurement settings Rec...

Страница 67: ...r is responsible for determining the maintenance intervals for the measuring device PRIMES recommends a maintenance interval of 12 months for inspection and validation If the device is used only spora...

Страница 68: ...Demounting the Measuring Objective 1 Turn off the voltage supply 2 Turn off the cooling water and the compressed air supply 3 Mount the transport lock at the beam entrance aperture 4 Disconnect the c...

Страница 69: ...e Observe the warning messages above 1 3 4 2 Required tools Allen wrench SW 3 Components 1 Cylinder head screw ISO 4762 M4x10 2 Aperture 3 O ring 21 95 x 1 78 4 Centering ring option 1 Unscrew two cyl...

Страница 70: ...an damage sensitive optical components in the measuring objective Therefore a contaminated protective window has to be exchanged immediately 1 5 3 1 4 2 6 Components 1 Protective Window Retainer 2 Pro...

Страница 71: ...e housing 4 Remove the mirror 2 5 Clean the mirror thoroughly A new mirror has to be cleaned before it can be built in as well 6 Turn the mirror until the arrow 3 on the side of the mir ror points dow...

Страница 72: ...72 Revision 00 EN 01 2021 HP MSM HB 35 0 6 16 Accessories...

Страница 73: ...completely X Do not use compressed air to drain the cooling circuit of the PowerLossMonitor However you are welcome to use compressed air to drain the HP MSM HB X Even when the lines of the cooling ci...

Страница 74: ...the cooling circuit completely You may use compressed air to purge the cooling circuit of the HP MSM HB Cooling Circuit Connectors 17 3 Sealing the cooling circuit of the HP MSM HB Even if the coolin...

Страница 75: ...speed X Do not use compressed air to purge the cooling circuit 1 Remove cooling circuit hoses Cooling Circuit Connectors 2 Drain the cooling circuit completely 3 Seal the connectors of the cooling ci...

Страница 76: ...he fiber bridge separately Fiber Bridge 18 Measures for the product disposal PRIMES gives you the opportunity to return your PRIMES measuring device for free disposal within the scope of the Waste of...

Страница 77: ...77 Revision 00 EN 01 2021 HP MSM HB 35 0 6 19 Declaration of conformity...

Страница 78: ...ridge see Tab 13 1 on page 50 see Tab 13 1 on page 50 Supply data Supply voltage DC 24 V 5 Max current consuption 1 8 A in standby mode 0 4 A Min Cooling water flow rate 0 7 l min kW Cooling water tem...

Страница 79: ...79 Revision 00 EN 01 2021 HP MSM HB 35 0 6 21 Dimensions 21 1 Dimensions of the HP MSM HB A All dimensions in mm general tolerance ISO 2768 v...

Страница 80: ...80 Revision 00 EN 01 2021 HP MSM HB 35 0 6 Dimensions of the HP MSM HB continued View A All dimensions in mm general tolerance ISO 2768 v...

Страница 81: ...81 Revision 00 EN 01 2021 HP MSM HB 35 0 6 21 2 Dimensions of the HP MSM HB with fibre bridge A All dimensions in mm general tolerance ISO 2768 v...

Страница 82: ...82 Revision 00 EN 01 2021 HP MSM HB 35 0 6 Dimensions of the HP MSM HB with fibre bridge continued B View A All dimensions in mm general tolerance ISO 2768 v...

Страница 83: ...83 Revision 00 EN 01 2021 HP MSM HB 35 0 6 Dimensions of the HP MSM HB with fibre bridge continued View B All dimensions in mm general tolerance ISO 2768 v...

Страница 84: ...84 Revision 00 EN 01 2021 HP MSM HB 35 0 6 21 3 Dimensions of the HP MSM HB 20 kW C All dimensions in mm general tolerance ISO 2768 v...

Страница 85: ...85 Revision 00 EN 01 2021 HP MSM HB 35 0 6 Dimensions of the HP MSM HB 20 kW continued View C All dimensions in mm general tolerance ISO 2768 v...

Страница 86: ...86 Revision 00 EN 01 2021 HP MSM HB 35 0 6 21 4 Dimensions of the HP MSM HB 20 kW with fibre bridge D All dimensions in mm general tolerance ISO 2768 v...

Страница 87: ...87 Revision 00 EN 01 2021 HP MSM HB 35 0 6 Dimensions of the HP MSM HB 20 kW with fibre bridge continued View D All dimensions in mm general tolerance ISO 2768 v...

Страница 88: ...he water cooled absorber To do this connect the PLM into the water supply to the HP MSM HB The cold water flows through the PLM and from there to the HP MSM HB The hot water flows directly back to the...

Страница 89: ...ontrol magnifies the dynamics of the CCD sensor from 55 dB to over 130 dB Once the Optim Function is deactivated a set integration time can be specified in the CCD Setting dialog window in the HP MSM...

Страница 90: ...always be sure to confirm these entries with the Up date button There are the following time constants Timeout 20 sec Standard Minimum integration time 12 s Maximum integration time 186 ms Minimum de...

Страница 91: ...ons The following merely describes a rough structure that is intended to help in choos ing measuring settings 22 2 2 Influence of the pulse parameters on the integration time control The software oper...

Страница 92: ...st the integration time there are only three possible results The energy application for a measurement remains the same it decreases by 50 or it drops to zero These increments are less significant at...

Страница 93: ...ane The caustic can also be measured with this setup since the dynamics of the CCD sensors is 55 dB for a single pulse with the intensity only varying by a factor of 5 in the relevant caustic range He...

Страница 94: ...ghly to the time for 35 pulses If the laser being measured falls below the limit frequency of ap prox 500 Hz you should switch to triggered measuring mode While it is almost always possible to measure...

Страница 95: ...of the laser pulse are not measured Example 3 Measuring exactly one pulse Trigger mode Triggered operation In the CCD Settings dialog window there is a selection menu called CCD Operating Modes There...

Страница 96: ...s come during an integration time the number of photoelectrons will change too much with each pulse The regulating routines of the LaserDiagnosticsSoft ware LDS will then lead to measurements with sig...

Страница 97: ...MSM HB 35 0 6 23 Appendix B Basis of laser beam diagnosis 23 1 Laser beam parameter z axis z axis Raw beam diameter d Focal length f Divergence angle Focus diameter d F d F zR Fig 23 1 Sketch for the...

Страница 98: ...has to be smaller than 0 8 rad and the focus diameter and the divergence angle were determined with the 2 moment method 1 1 Furthermore the beam propagation is described by means of the so called beam...

Страница 99: ...is of the beam is the one closest to the x axis of the measuring system Beam coordinate system x y y axis x axis x axis y axis Device coordinate system x y Fig 23 2 Beam parameter of the not rotationa...

Страница 100: ...to be aware of this fact The calculation of the beam radius requires the following to preparatory steps 1 Measurement of the power density distribution 2 Determination of the zero level 3 Determinatio...

Страница 101: ...e 2 moment method of the power density distribution The calculation of the beam radius according to the 2 moment method of the power density distribution is effected as shown in equation 1 6 1 6 Based...

Страница 102: ...ally starts with the values of the maximum power density Then the integration range is enlarged until 86 of the total power lie within the radius As far as the integration is concerned the number of p...

Страница 103: ...practical reasons for instance for the design of the orifices or for the correla tion with processing results it can also be helpful to use alternative beam radius definitions As an option we offer an...

Страница 104: ...ill factor r b Fig 23 6 Gaussian Intensity Distribution zero level lowered left and raised right Fig 23 6 on page 104 illustrates this When the zero level is lowered left side the total volume between...

Страница 105: ...dow size This size is de fined as the Fill Factor F 1 8 Resolution 256 steps 50 50 0 0 0 25 0 25 0 5 0 5 1 1 2 2 0 2 0 4 0 6 0 8 TEM00 1 0 Failure in Failure because of Offset Displacement Theoretical...

Страница 106: ...106 Revision 00 EN 01 2021 HP MSM HB 35 0 6 24 Appendix LaserDIagnosticSoftware LDS This chapter describes the functions of all main menus and submenus of the menu bar Fig 24 1 Menu bar...

Страница 107: ...df Information regarding the file format mdf can be found enclosed Only files with this formats can be opened by the program 24 1 5 Save as menu File Save As You have to assign a file name choose the...

Страница 108: ...t Beam position and beam radius according to 86 and 2 moment method definition Therefore please activate the check box Write Then you can directly enter the name in the field Filename or you can use t...

Страница 109: ...measurement planes of the measurement data set selected in the toolbar is deleted 24 2 4 Change user level menu Edit Change User Level By entering a password a different user level can be activated 24...

Страница 110: ...tten with the selected calibration point Application By means of the button Apply the entries can also be changed after a measurement With the button Apply all planes the entered values are inserted a...

Страница 111: ...nding on the number of devices connected additional device numbers are assigned RPM Not relevant for HP MSM HB Resolution Here you can enter the number of pixels in the measuring window ranging from 3...

Страница 112: ...wn in the menu Measurement CCD Device Info Here you can see the magnification information for the measuring objective and also check which beam path is turned on If obvious default values 1 1 are show...

Страница 113: ...ration trigger mode The time the measuring system should wait between when it detects the trigger pulse and the start of the measurement is set here Together with the function Integration Duration def...

Страница 114: ...f the achromatic properties of the measuring objective a wavelength range between 1 030 and 1 100 can be achieved for example with a calibration point at 1 064 nm without causing generating measuring...

Страница 115: ...ment LQM Adjustment Not relevant for HP MSM HB 24 3 7 Power measurement menu Measurement Power Measurement Not relevant for HP MSM HB 24 3 8 Single menu Measurement Single 21 22 20 1 2 3 4 5 6 7 8 9 1...

Страница 116: ...in order to adjust the optical amplification exposure time of the CCD 12 Power Slide control in order to adjust the laser power to save it in the software 13 Entry field Power Numerical input of the l...

Страница 117: ...omatic adjustment of the exposure time of the CCD for every measurement The function must be activated in order to keep the signal noise ratio consistently high for a caustic measure ment For special...

Страница 118: ...d be deactivated so that the measur ing window can be optimally adjusted False color rendering False color rendering is activated by clicking on the corresponding button A measurement is initiated by...

Страница 119: ...ength and the other beyond 5 Rayleigh lengths In order to meet all of the requirements with equidistant distribution at least 17 mea suring planes must be measured in a range of 3 Rayleigh lengths Mod...

Страница 120: ...ribed in the following section the caustic measurement can be repeated automatically by choosing the Manually adjusted mode It is also possible to store measurement settings such as window size positi...

Страница 121: ...he Beam Find function off and have the measuring measure the beam search plane system be fore each caustic measurement you can save about 20 sec of measuring time per caustic measurement Summary This...

Страница 122: ...actor can be between 0 5 and 0 6 By default the value should be set to Max 0 7 Min 0 5 Target 0 6 For extremely deformed beams the value may be changed to Max 0 6 Min 0 4 Target 0 5 Font size The font...

Страница 123: ...n Variable contour lines Presentation Isometry and Presentation False color presentation the option Autoscale effects the usage of the entire display range for the measuring values Moreover you have t...

Страница 124: ...cale on density All planes of a caustic measurement are scaled on the maximum measured power density This is supposed to help comparing the different planes more easily Pixel scale This scaling is onl...

Страница 125: ...a 1 2 1 filter in order to reduce the noise This filter can also be used multiple times without the position of the maxima being moved Fig 24 14 Dialogue window False colors filtered 24 4 3 Isometry...

Страница 126: ...sentation of the plane Inserts the 3D presentation of the power density distribution in the plane in the display window 2 3D presentation of the caustic Additionally inserts the 3D presentation of the...

Страница 127: ...window 86 Review Tab 24 4 Result window 2 Moment Review The parameters and results of the current selected plane are highlighted in blue When the measuring signal only exceeds the zero level by a lit...

Страница 128: ...sation curve according to the calculated fits which can be displayed via the check box Fit in the 2D presentation Compensating curve In order to evaluate the caustic a hyperbolic compensating curve IS...

Страница 129: ...the optic employed In order to make sure that the adapted values have a high significance the measurement is to be carried out in a z range of at least 2 Rayleigh lengths As demanded in the ISO 11146...

Страница 130: ...sions of the main axes of the beam can be determined On the basis of these values the program also calculates direction dependent beam propagation factors as well as beam position values The related c...

Страница 131: ...ane with the greatest divergence see Fig 24 19 on page 131 Plane 2 will be the first one in front Valued functions Test criterion Positive evaluation Spread Average relative standard devia tion of the...

Страница 132: ...yCheck This display menu checks the rotational symmetry of the power density distribution of a laser beam It can for instance in connection with the monitoring operation Measurement Single Monitor be...

Страница 133: ...dius is indicated in pixel coordinates The mini mum as well as the maximum of the radius values can be chosen On the right side the standard deviation of the different radius values are indicated Thes...

Страница 134: ...the spatial power density distribution is displayed by means of freely selectable contour lines Not only intersections in x and y direction but also in power density coordinates A D converter counts...

Страница 135: ...the correctly entered laser power In the right hand upper corner it is possible to switch the scaling Below it there is an input field where the desired power loss inclusion can be entered This value...

Страница 136: ...35 0 6 One click on the CCD Info button will open a window with additional information on the device parameters such as trigger mode trigger delay integration time magnification and focussing optic ty...

Страница 137: ...lections for the x and y coordinates are shown in the Tab 24 6 on page 137 y axis x axis Radius Power x position Time y position Plane Angle Position Ellipticity Tab 24 6 Selections for the x y coordi...

Страница 138: ...l and the caustic evaluation beamparams eval These can be pulled up under the menu point Presentation Evaluation Parameter View Fig 24 27 Display window Evaluation Parameter View with opened parameter...

Страница 139: ...menu point Presentation Evaluate doc of the LDS the following dialog window is opened Fig 24 29 Dialogue window Evaluate Document for loading an evaluation file The button Open Doc opens a file selec...

Страница 140: ...traffic light symbol As soon as a warning value is exceeded or fallen short of the yellow circle is filled If the limit values min max are exceeded or fallen short of the red circle is filled The act...

Страница 141: ...gs are possible Linear color table basic setting Color table analogue to the root function Color table analogue to the fourth root function These functions can especially be helpful as far as the anal...

Страница 142: ...e different parameters of the measured caustic foc file with specified limit values pro file The evaluation result is displayed optically with an LED symbol red bad green good The overall result field...

Страница 143: ...ile An evaluation is carried out as follows 1 Click the button Open Doc and choose your measuring file foc file 2 Click the button Open Profile and choose your profile file pro file 3 Choose the desir...

Страница 144: ...reconnect a device that was connected previously 24 5 2 Free communication menu Communication Free Communication By means of this menu you can control the communication via the PRIMES bus Moreover th...

Страница 145: ...ed to be controlled by means of the LaserDiagnosticsSoftware LDS the address has to be entered here Moreover addresses can also be added or deleted in this menu Fig 24 38 Dialogue window Scan device l...

Страница 146: ...o open the script the Open symbol has to be clicked then a file can be chosen and played by us ing the button The button stops and ends the script Fig 24 39 Dialogue window Script Script for the beam...

Страница 147: ...000000 Autoscaleon 1 Extern Z Axis 0 Tip twisted 0 Detectorparameter Detector 0 Tau1 10 Detector 0 Scale1 0 1 Detector 0 Tau2 3500 Detector 0 Scale2 0 1 Detector 0 Tau3 0 Detector 0 Scale3 0 Detector...

Страница 148: ...in x mm length in y mm 4th line Position along the beam axis z position mm 5th line Transversal position of the center of the measurement range x pos y pos mm 6th line Amplification of the measuring s...

Страница 149: ...149 Revision 00 EN 01 2021 HP MSM HB 35 0 6...

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