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M77781A

MS257

™ USB/RS232

MONOCHROMATOR AND SPECTROGRAPH

5 INSTRUMENT DESCRIPTION

5.1 LAYOUT AND MAJOR FEATURES

Refer to the descriptions of the MS257 accessories throughout this manual for more information
on the items shown in Figure 5.

Figure 5: Monochromator Interior Layout

Содержание MS257 Series

Страница 1: ...FH D MS257 M MC A MS257 M MC L MS257 M MC D MS257 M MT A MS257 M MT L MS257 M MT D MS257 S FH A MS257 S FH L MS257 S FH D MS257 S MC A MS257 S MC L MS257 S MC D MS257 S MT A MS257 S MT L MS257 S MT D...

Страница 2: ...7 1 INSTRUMENT CONFIGURATION 14 7 2 UTILITY AND CONFIGURATION SOFTWARE 16 7 2 1 MS257 UTILITY SOFTWARE 16 7 2 2 UTILITY SOFTWARE INSTALLATION 17 7 2 3 MS257 CONFIGURATION SOFTWARE 25 7 3 77709 HAND CO...

Страница 3: ...1 Hand Controller Keypad 36 Figure 12 Rear Panel Connections 42 Figure 13 Quadruple Grating Turret 44 Figure 14 Using Fixed Slits with MS257 47 Figure 15 Micrometer Driven Slit Dimensions 49 Figure 16...

Страница 4: ...ng is inadequate and may cause permanent damage to the microprocessor Do not place any containers containing liquids on top of the instrument There is a danger that liquid may enter the ventilation ho...

Страница 5: ...ics toroidal mirrors which correct the final image for astigmatism and enable point to point spectral imaging of the input source or sources The optics have been designed to work with CCD detectors wh...

Страница 6: ...vers from optics After these steps have been completed plug in the power cord WARNING DO NOT PLUG IN THE POWER CORD UNTIL ALL THE SAFETY PRECAUTIONS HAVE BEEN READ 3 1 MOUNTING MS257 TO A FLAT SURFACE...

Страница 7: ...s and other instruments that have an Oriel 1 5 inch 47 mm female flange can be easily attached to any of the MS257 slit assemblies at the ports Other accessories can also be mounted directly to MS257...

Страница 8: ...boss Adjust the position of the turret until it locates on the alignment pin and sits flush with the platform Connect the turret cable Tighten the two mounting bolts by hand Do not over tighten Remov...

Страница 9: ...red up and the Hand Controller is connected and working properly Local LED When the Hand Controller has control of the MS257 To activate the LED press the Local button The LCD screen will turn on and...

Страница 10: ...ND SPECTROGRAPH 10 5 INSTRUMENT DESCRIPTION 5 1 LAYOUT AND MAJOR FEATURES Refer to the descriptions of the MS257 accessories throughout this manual for more information on the items shown in Figure 5...

Страница 11: ...epicts the MS257 in use as a monochromator The in line configuration uses a turning mirror at the exit port This can be either the 77718 Replaceable Turning Mirror on the 77716 Motorized Output Flip M...

Страница 12: ...staSpec detectors as well as several other manufacturers Note that the spectrum at the lateral output port is reversed from that of the axial output port Figure 7 Light Path of a Spectrograph 6 3 USE...

Страница 13: ...th should be able to be calculated directly from the step position grating angle However gears are not perfect They are slightly non concentric and have surface finish flaws which result in a signific...

Страница 14: ...oses 3 Use very small slit sizes I using a diode array or CCD use a small entrance slit 4 Drive the grating to a spectral line such as a HeNe line at 632 8 nm or an Hg line at 546 nm 5 Step the motor...

Страница 15: ...to minimize the amount of light which can eventually find its way to the detector Gratings Gratings are not perfect reflectors so a certain amount of incident light is scattered and contributes to str...

Страница 16: ...on a collection of MS257 VIs The Utility Program diagram may serve as an example or starting point for further development in LabView If someone is a LabView programmer and owns a full LabView develo...

Страница 17: ...ith Windows XP or Windows 7 32 bit operating systems It is suggested to exit all programs before running the installer Place the installation CD into the computer which will be used to control the MS2...

Страница 18: ...IB the 77793 converter will be required to operate the instrument The 77793 must be set to G Mode In the MS257 folder run the setup exe application If using Windows 7 right click on the application an...

Страница 19: ...M77781A MS257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 19 Choose to accept the two License Agreements and click Next to proceed...

Страница 20: ...M77781A MS257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 20 Click the Next button to begin the installation When complete click Next for USB and RS232 installation For the GPIB installation click Finish...

Страница 21: ...ling the USB RS232 utility program If installing onto a Windows XP computer the following message may appear Click Continue Anyway Restart the computer If using Windows XP the utility program installa...

Страница 22: ...PECTROGRAPH 22 ADDITIONAL INSTRUCTIONS FOR WINDOWS 7 32 BIT USERS On the CD open the USB Drivers folder Copy the file USBBulk sys to the computer s Windows system32 drivers folder Copy the USBBulk inf...

Страница 23: ...o_UT folder on the computer Then open the folder which contains the utility program based upon the communications method being used Right click on the exe application and select Properties Click on th...

Страница 24: ...ument to a prescribed wavelength simply enter a value in the Wavelength edit box then click on GoTo Fine motion control is achieved by clicking either the button to move forward or the button to move...

Страница 25: ...Configuration Software should only be used if the MS257 s memory is corrupted or erased If the instrument is not working properly review the information found in the instruction manuals It is suggest...

Страница 26: ...ing used NOTE If one is planning to use GPIB the 77793 converter will be required to operate the instrument The 77793 must be set to G Mode In the MS257 folder run the setup exe application If using W...

Страница 27: ...B RS232 MONOCHROMATOR AND SPECTROGRAPH 27 Click Next to continue If the GPIB software is being installed fill in the Name and Company fields and click Next to continue Both fields must be filled in be...

Страница 28: ...GRAPH 28 Browse to choose an installation location on the computer if desired The default location of the Configuration program will be Program Files OrielInstruments 77700cfg Click Next to proceed Re...

Страница 29: ...M77781A MS257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 29 Click Next to proceed When the setup has been completed check the box to launch the program file Then click Finish...

Страница 30: ...th installing the Labview Runtime Engine Do not cancel this setup even if a different version had already been installed onto this computer in the past If the GPIB version of the software is being ins...

Страница 31: ...M77781A MS257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 31 Select Yes to accept the license agreement Click Next to install the Labview Runtime Engine into the default directory...

Страница 32: ...lectively click any one of the four buttons at the bottom of the screen Compare MS257 configuration parameters with factory configuration parameters Factory cfg on Newport s Monochromator Utility Soft...

Страница 33: ...n the Remote mode of operation controlled via the USB or RS232 port To initiate control by the hand controller the Local command key must be pressed The shifted command Rem returns control of MS257 to...

Страница 34: ...3 indicates filter wheel information first for Filter Wheel 1 and then for Filter Wheel 2 the selected filter position and filter label assigned to that filter Line 4 is the command prompt line where...

Страница 35: ...for entering parameter values Shift Key Yellow Some command keys have the upper division colored yellow These indicate the keys Shift command Shift functions do not need two fingers or hands to operat...

Страница 36: ...M77781A MS257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 36 Figure 11 Hand Controller Keypad...

Страница 37: ...is always zero and cannot be edited At the last record the ENT saves the table For creation of tables smaller than an existing table s size enter 0 wavelength and 0 position in unused records All reco...

Страница 38: ...disables automatic mode Example LCD Display Action and Explanation F1 F1 Pos 3 Auto F1 Pos 4 Auto ENT F1 Pos 4 Manual Press the F1 key Response shows filter 3 and Auto Press number 4 and ENT Response...

Страница 39: ...Start Wv Enter the starting wavelength of a scan End Read Write Sets the end wavelength for a scan The Prompt Line is End Wav enters the end wavelength of a scan Grat Read Write Selects the grating T...

Страница 40: ...ion during a scan The Prompt Line is Info Off Int St Action Disable external BNC GO signal from controlling scans The Prompt Line is Int Strt Used on legacy models 77700 77702 Ext St Action Enable ext...

Страница 41: ...wavelength units The Prompt Line is Units Enter the wavelength units as nanometers NM microns UM or wave number WN Rem Action Change control of MS257 to the computer The LCD goes blank control of MS2...

Страница 42: ...12 shows the connectors at the back of MS257 The BNC connectors enable the shutter to be closely integrated with data acquisition by providing the following TTL synchronizing signals AUX OUT A TTL si...

Страница 43: ...al Instruments LabView Vls for inclusion in custom programs TRACQ Data Acquisition Software MS257 command language The MS257 has been designed as that it can easily be programmed and controlled using...

Страница 44: ...and calibrated at the factory 9 2 CONFIGURING THE MS257 FOR TURRET INSTALLATION With an MS257 there is no need to configure the system for the turret type in use MS257 will recognize whether it has a...

Страница 45: ...63 77767 600 1600 Ruled 90 900 2800 6 2 155 77768 400 1200 Ruled 90 700 2500 9 7 246 77746 400 1600 Ruled 85 900 2900 9 6 244 77769 300 500 Ruled 80 250 1150 12 8 325 77747 300 1000 Ruled 85 575 2500...

Страница 46: ...rized repair facility for refitting 9 4 SLITS The MS257 must have slits installed in order to function properly Removing and re installing or replacing the slits will result in the need to modify the...

Страница 47: ...or If the slit entrance is located on the right side of the slit holder then the slit should be inserted with the notch located in the upper left corner If the slit entrance is located on the left sid...

Страница 48: ...200 10 0 8 77732 500 15 2 77733 1000 15 4 77734 2000 20 6 77736 1500 15 8 77735 5000 20 20 The typical resolutions listed in the above table apply to use with a 1200 line per mm grating For other gra...

Страница 49: ...djustable from 3 mm to 12 mm tall using the manual slide As a precaution against damaging the slit blades do not adjust beyond its normal operating range Please note that optimum spectral resolution f...

Страница 50: ...D SPECTROGRAPH 50 The micrometer is used to adjust the slit width The slide is used to adjust the slit height Figure 16 Micrometer Driven Slit Adjustments Micrometer setting for a closed slit Figure 1...

Страница 51: ...ing The noise level will vary from between motorized slits The solenoid will get slightly warm when powered on When using the hand controller the following needs to be kept in mind Commanding the slit...

Страница 52: ...ate below the resolution limit and its bandpass will be determined by the resolution rather than spectral bandpass of the slit Mounting Slit Assemblies All slit assemblies are mounted using four 4 40...

Страница 53: ...solution A ribbon cable connects each filter wheel to the back panel of the MS257 which can be configured to automatically control filter selection Mount the filter wheel s directly on the slit housin...

Страница 54: ...lateral port Port B using the 77716 Motorized Output Flip Mirror This is a high precision device which will repeatedly align the output beam with either port to better than 0 05 nm This is essential i...

Страница 55: ...257 USB RS232 MONOCHROMATOR AND SPECTROGRAPH 55 AXIAL OUTPUT PORT C LATERAL OUTPUT PORT B INPUT PORT A A motorized flip mirror is required to switch between output ports B and C Figure 20 Motorized Fl...

Страница 56: ...s and can be equipped with multiple gratings for continuous scanning over a very broad wavelength range Typically one requires two sources to cover such a broad range The 77713 allows one to switch be...

Страница 57: ...urce Overall Dimensions 19 x 12 x 7 25 in 48 x 30 x 18 5 cm Weight 40 to 45 lbs 18 to 20 5 kg Power Requirements 90 264 Vac 50 60 Hz 1 4A max 120 Vac 0 7A max 240 Vac Optical Field Full field 28 mm x...

Страница 58: ...inch 190 x 165 x 150 mm Slits Fixed slits 10 m x 2 mm to 5 mm x 20 mm Micrometer slits Variable from 4 m to 3 0 mm x 15 mm Precision 5 m Parallelism 2 m Accuracy 10 m Motorized slits Variable from 4 m...

Страница 59: ...Light Leakage 0 001 Response time 20 ms Transition rise time 2 ms Blade coating Black anodize External trigger TTL Fast Shutter optional Configuration Normally closed Aperture 14 mm diameter Light Le...

Страница 60: ...at constitutes the diameter Oriel Instruments solves this problem by using a diameter which would give the equivalent area to the grating For example the effective F number of the Oriel 77781 is calcu...

Страница 61: ...sity against angle D When a parallel beam of monochromatic light is incident on a grating the light is diffracted from the grating in directions corresponding to m 2 1 0 1 2 3 etc This is shown in Fig...

Страница 62: ...is usually quoted in nanometers In a monochromator the bandpass may be decreased by reducing the width of the slits until a limiting bandpass is reached The limiting bandpass is called the resolution...

Страница 63: ...used to block the second order of UV lines Figure 24 Grating Resolution When spectrographs are used with diode arrays and CCD detectors the resolution is often limited by the pixel width Nyquist sampl...

Страница 64: ...ative orders Negative orders have diffraction angles which direct the light at angles greater than the zero order reflected beam Positive orders have diffraction angles which direct the light at angle...

Страница 65: ...The selection of a grating blazed at a short wavelength compensates for the lack of radiation and detector sensitivity in that wavelength region Efficiency The greatest efficiency one can expect for a...

Страница 66: ...ngines This produces very accurate grooves and very little stray light Holographic Gratings Holographic gratings are created using a interferometric hologram and an etching process They have the reput...

Страница 67: ...dustrial locations conforms to the following Product Specifications Safety EN 61010 1 2010 EMC EN 61326 1 2006 cor 2008 cor 2010 complies with the following Directives 2004 108 EC EMC Directive 2006 9...

Страница 68: ...es offices worldwide Every year the Newport Resource catalog is hailed as the premier sourcebook for those in need of advanced technology products and services It is available by mail request or throu...

Страница 69: ...ttempt any maintenance or service of the system beyond the procedures outlined in this manual This product contains no user serviceable parts other than what is noted in this manual Any problem that c...

Страница 70: ...ept as otherwise expressly stated in Oriel s quote or in the current operating manual or other written guarantee for any of the Products Oriel warrants that for the period of time set forth below with...

Страница 71: ...BILITY AND BUYER S SOLE REMEDY FOR BREACH OF THE FOREGOING WARRANTY Representations and warranties made by any person including distributors dealers and representatives of Oriel Newport Corporation wh...

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