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016-70000-000-02-201603

Appendix C

NIRQuest512-2.5 and

NIRQuest256-2.5 Sensitivity

When configuring a system for operation out to 2.5µ

it is important that you consider the following

details:



Short Integration Times: For the detector to be sensitive out to 2.5µ

, the detector’s band gap

energy must be small. Unfortunately, this raises the absolute level of the detectors dark signal.
Typical dark signals at 400ms (NIRQuest512-2.5) and 135ms (NIRQuest256-2.5) are shown
below.



Fiber Selection: For maximum signal intensity, alternative fiber materials should be used for
wavelengths greater than 2.2µ

Содержание Ocean Optics NIRQuest256-2.1

Страница 1: ...NIRQuest Installation and Operation Manual For Products NIRQuest512 1 7 NIRQuest512 1 9 NIRQuest512 2 2 NIRQuest512 2 5 NIRQuest256 2 1 NIRQuest256 2 5 Document 016 70000 000 02 201603 ...

Страница 2: ... lent re sold hired out or otherwise circulated without the prior consent of Ocean Optics Inc in any form of binding or cover other than that in which it is published Trademarks All products and services herein are the trademarks service marks registered trademarks or registered service marks of their respective owners Limit of Liability Every effort has been made to make this manual as complete a...

Страница 3: ...cessories Available 5 Breakout Box 5 Chapter 2 Installing the NIRQuest Spectrometer 7 Overview 7 NIRQuest Spectrometer Installation 7 USB Mode 7 Serial Port Mode 8 Configuring the NIRQuest Spectrometer 9 OceanView Acquisition Controls 9 Connect Spectroscopic Accessories 12 External Triggering Options 12 Change the Slit 12 Chapter 3 Troubleshooting 15 Overview 15 NIRQuest Spectrometer Connected to ...

Страница 4: ...st Spectrometer Component Table 21 NIRQuest512 Specifications 23 NIRQuest256 Spectrometer Specifications 26 NIRQuest Spectrometer Slit Size vs Resolution and Throughput 29 NIRQuest Gratings 29 Grating Efficiency Curves 31 NIRQuest Optical Resolution for Standard Setups 35 30 Pin Accessory Connector Pinout 36 30 Pin Accessory Connector Pinout Diagram 36 30 Pin Accessory Connector Pin Definitions an...

Страница 5: ...ems included in the shipment Chapter 2 Installing the NIRQuest Spectrometer Contains information for installing and configuring your NIRQuest Spectrometer These instructions include information on using your NIRQuest Spectrometer with the spectrometer operating software Chapter 3 Troubleshooting Contains typical problems and suggested resolutions Appendix A Calibrating the Wavelength of the NIRQue...

Страница 6: ...n Optics for specific instructions when returning a product Warranty Our 3 Year Warranty covers Ocean Optics miniature fiber optic spectrometers light sources and sampling accessories regardless of the application from manufacturing defects It also covers fibers and probes for a full 12 months http www oceanoptics com warranty asp This comprehensive warranty ensures you of the highest level of cra...

Страница 7: ...ence when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which the user will be required to correct the ...

Страница 8: ...About This Manual vi 016 70000 000 02 201603 ...

Страница 9: ...e the detector response The NIRQuest Near Infrared Fiber Optic Spectrometer combines the high performance InGaAs array detector with the high sensitivity NIRQuest optical bench The NIRQuest Spectrometer and the 16 bit A D converter share a single housing forming a small footprint plug and play system The NIRquest communicates via the Universal Serial Bus USB connection with an external 5V power so...

Страница 10: ...t256 2 1 with a detector range of 900 2100 nm usable range of 900 2050 nm NIRQuest256 2 5 with a detector range of 900 2550 nm usable range of 900 2500 nm About OceanView Software OceanView is the latest generation of operating software for all Ocean Optics spectrometers It is a completely modular Java based spectroscopy software platform that operates on Windows Macintosh and Linux operating syst...

Страница 11: ...s lower dark current and improved signal to noise High Resolution 2nm 12nm slit and detector dependent to suit your application Small and lightweight 182 x 110 x 47 mm and 1 2 kg Configurable with a range of detectors gratings and slits for your specific application Rugged and proven diode array technology with no moving parts Continuous real time spectral data in the field on the line or in the l...

Страница 12: ... an adapter enabling you to connect the spectrometer to a desktop or notebook computer via a USB port or serial port However you must create custom software if using the serial port OceanView software is available if you are connecting via the USB port Computer Interface Operating System Requirements Cable Needed Description of Cable Desktop or Notebook PC via USB Port Windows Me 2000 XP USB CBL 1...

Страница 13: ...ort Note Please save the Wavelength Calibration Data Sheet for future reference 5V power supply 15 Pin Accessory Cable see NIRQuest 15 Pin Accessory Cable Pinout Other Accessories Available Visit us at www OceanOptics com for a complete list of products available for all of your spectroscopy needs Interchangeable Slits Fibers Light Sources Integrated Sampling Systems Cuvettes Filter Holders Lithiu...

Страница 14: ...1 Introduction 6 016 70000 000 02 201603 ...

Страница 15: ...cting a corrupt NIRQuest Spectrometer installation Once you have properly installed the spectrometer refer to either the spectrometer operating instructions for information on taking measurements NIRQuest Spectrometer Installation This section contains instructions for connecting the NIRQuest Spectrometer via both USB and serial modes Caution Ensure that TEC power is always applied using OceanView...

Страница 16: ...g Note Windows XP users may encounter a Hardware Installation warning window regarding Windows XP driver testing Click the Continue Installation button at this screen as this is an expected warning Serial Port Mode To use the serial port capacity of the NIRQuest Spectrometer the PC must be running a 32 bit version of the Windows operating system Procedure Follow the steps below to connect the NIRQ...

Страница 17: ...the spectrometer there should be a dynamic trace displayed in the bottom of the graph If you allow light into the spectrometer the graph trace should rise with increasing light intensity This means the software and hardware are correctly installed Note the spectrometer s that you have installed are listed in the Data Sources pane OceanView Acquisition Controls In OceanView the Acquisition Paramete...

Страница 18: ...uisition Thermo Electric Cooling Optional Shutter Procedure To enable the optional shutter 1 In the Acquisition Group window click on the Add Remove Controls tab 2 Select GPIO The GPIO controls appear on the Main Controls tab 3 Check the Out box for Index 4 This makes the GPIO an output 4 Check the Value box for Index 4 to close the shutter You can now take your dark measurement ...

Страница 19: ...016 70000 000 02 201603 11 5 Uncheck the Value box to open the shutter Notes Make sure the ALT checkbox for the GPIO Index 4 is not selected which would prevent the shutter from triggering The activation time of the internal shutter is 11 ms ...

Страница 20: ...Only the External Software Trigger mode is available with the NIRQuest Spectrometer The External Triggering Options document contains instructions on configuring External Triggering with the NIRQuest Spectrometer see Product Related Documentation Change the Slit There s no need to calibrate your spectrometer when changing the slit just install and start measuring There is one exception to this You...

Страница 21: ...aching the slit to the spectrometer 3 Pull the slit out of the spectrometer 4 Put the new INTSMA slit connector into the spectrometer with the key of the connector on the left side 5 Install the 2 screws again Use the Allen key to tighten the screws carefully do not over tighten 6 If necessary connect the fiber again ...

Страница 22: ...2 Installing the NIRQuest Spectrometer 14 016 70000 000 02 201603 ...

Страница 23: ...tics device will operate properly Follow the applicable steps below to remove the incorrectly installed device device driver and installation files Note If these procedures do not correct your device driver problem you must obtain the Correcting Device Driver Issues document from the Ocean Optics website http oceanoptics com wp content uploads Correcting Device Driver Issues pdf Remove the Unknown...

Страница 24: ...r from your computer 6 Replug the spectrometer into your computer The system should now be able to locate and install the correct drivers for the USB device Apple Mac OSX Operating Systems Since there are no device files for the NIRQuest Spectrometer in a Mac operating system you should not encounter any problems if you installed the spectrometer before the spectrometer operating software Linux Op...

Страница 25: ... You are going to be solving the following equation which shows that the relationship between pixel number and wavelength is a third order polynomial p I C1 p C2 p2 C3 p3 Where the wavelength of pixel p I the wavelength of pixel 0 C1 the first coefficient nm pixel C2 the second coefficient nm pixel2 C3 the third coefficient nm pixel3 You will be calculating the value for I and the three Cs Calibra...

Страница 26: ... the Wavelength of the Spectrometer Procedure Perform the steps below to calibrate the wavelength of the spectrometer 1 Place spectrometer operating software into Quick View Scope mode and take a spectrum of your light source Adjust the integration time or the A D conversion frequency until there are several peaks on the screen that are not off scale 2 Move the cursor to one of the peaks and posit...

Страница 27: ...tor to calculate the wavelength calibration coefficients In your spreadsheet program find the functions to perform linear regressions If using Quattro Pro look under Tools Advanced Math If using Excel look under Analysis ToolPak 6 Select the true wavelength as the dependent variable Y Select the pixel number pixel number squared and the pixel number cubed as the independent variables X After you e...

Страница 28: ...oftware 5 At the Welcome screen click the Next button 6 At the Destination Location screen accept the default or click the Browse button to pick a directory Then click the Next button 7 Select a Program Manager Group and click the Next button The Start Installation screen appears Click the Next button 8 Click the Finish button when the Installation Complete screen appears 9 Reboot the computer whe...

Страница 29: ...RQuest Spectrometer has no moving parts that can wear or break all the components are fixed in place at the time of manufacture NIRQuest Spectrometer with Components NIRQuest Spectrometer Component Table The following table describes each component in the NIRQuest Spectrometer Items marked with an asterisk can be user specified consult an Applications Scientist for more information ...

Страница 30: ...Filter before entering the optical bench Both bandpass and longpass filters are available to restrict radiation to certain wavelength regions Only Ocean Optics technicians can change the Filter 4 Collimating Mirror Focuses light entering the optical bench towards the Grating of the spectrometer Light enters the spectrometer passes through the SMA Connector Slit and Filter and then reflects off the...

Страница 31: ...range 1 900 1700 nm 1000 1900 nm 900 2200 nm 900 2500 nm Pixels 512 Pixel size 25 µm x 500 µm 25 µm x 250 µm Saturation charge 30 pC 188 Me electrons Defective pixels 0 pixels 20 pixels OPTICAL BENCH Design f 4 symmetrical crossed Czerny Turner Optional Shutter activation time 11 ms Entrance aperture standard 25 µm Entrance aperture custom options 10 µm 50 µm 100 µm and 200 µm or no slit Grating o...

Страница 32: ...ting NIR1 Optical resolution FWHM 4 3 1 nm w 25 µm slit 5 nm w 25 µm slit 6 3 nm w 25 µm slit Signal to noise ratio at full signal 5 15000 1 100 ms integration 10000 1 100 ms integration 13000 1 1000 ms integration A D resolution 16 bit Dark noise 6 RMS counts 100 ms 16 RMS counts 10ms 12 RMS counts 1000 ms 12 RMS counts 250 ms 24 RMS counts 30ms Dynamic range 150 x 10 6 system 15K 1 for a single ...

Страница 33: ... in the context of the NIRQuest model s detector response and its typical grating response For example the 512 element detector has response at 850 nm but grating response begins at 900 nm The G9206 256 element detector response is sensitive to TEC temperature and has response only to 2050 nm when the TEC is set to 20 ºC The G9208 256 element and 512 element detector has response to 2550 nm but th...

Страница 34: ...50 µm Saturation charge 30 pC 188 Me electrons Defective pixels 12 pixels OPTICAL BENCH Design f 4 symmetrical crossed Czerny Turner Optional Shutter activation time 11 ms Entrance aperture standard 25 µm Entrance aperture custom options 10 µm 50 µm 100 µm and 200 µm or no slit Grating options standard Grating NIR2 100 l mm 900 2050 nm Grating NIR1 75 l mm 1075 2500 nm Grating options custom 2 NIR...

Страница 35: ...s 12 RMS counts 250 ms 12 counts RMS 30 ms Dynamic range 15M system 10K 1 for a single acquisition 500K system 7 5K 1 for a single acquisition Integration time 6 1 ms 2 s 1 ms 400 ms Corrected linearity 99 8 99 6 Estimated Peak Noise Equivalent Power NEP default configuration 5 pW 25 pW ELECTRONICS Power consumption DC input jack 5V 3 A maximum Data transfer speed Full scan to memory every 5 ms wi...

Страница 36: ...rating response begins at 900 nm The G9206 256 element detector response is sensitive to TEC temperature and has response only to 2050 nm when the TEC is set to 20 ºC The G9208 256 element and 512 element detector has response to 2550 nm but the grating efficiency drops off at 2500 nm 2 See NIRQuest Gratings for more information 3 Other filter options are available for order sorting in the NIRQues...

Страница 37: ...ths and similar customization may be available Please contact an Applications Scientist for details Spectrometer Standard Grating Groove Density lines mm Spectral Range Blaze Wavelength Best Efficiency 30 NIRQuest512 1 7 NIR3 150 800 nm 1100 nm 900 1700 nm NIRQuest512 1 9 NIR3 150 800 nm 1100 nm 1100 1900 nm NIRQuest512 2 2 NIR2 100 1150 nm 1600 nm 900 2200 nm NIRQuest512 2 5 NIR1 75 1425 nm 1700 ...

Страница 38: ...t512 1 7 NIRQuest512 2 2 NIRQuest512 2 5 NIRQuest256 2 1 NIRQuest256 2 5 300 350 380 nm 1200 nm 750 2200 nm NIR11 NIRQuest512 1 7 NIRQuest512 2 2 NIRQuest512 2 5 NIRQuest256 2 1 NIRQuest256 2 5 400 240 290 nm 1600 nm 980 2500 nm NIR12 NIRQuest512 1 7 NIRQuest512 2 2 NIRQuest512 2 5 NIRQuest256 2 1 NIRQuest256 2 5 500 160 220 nm 1370 nm 900 2500 nm NIR13 NIRQuest512 1 7 NIRQuest512 2 2 NIRQuest512 ...

Страница 39: ... 201603 31 Grating Efficiency Curves The following graphs show grating efficiency only System sensitivity is due to several factors including detector response and grating efficiency Grating NIR1 1075 2500 nm 75 l mm Blazed at 1700 nm ...

Страница 40: ...B Specifications 32 016 70000 000 02 201603 Grating NIR2 900 2050 nm 100 l mm Blazed at 1600 nm Grating NIR3 900 1700 nm 150 l mm Blazed at 1100 nm ...

Страница 41: ...B Specifications 016 70000 000 02 201603 33 Grating NIR10 750 2200 nm 300 l mm Blazed at 1200 nm Grating NIR11 980 2500 nm 400 l mm Blazed at 1600 nm ...

Страница 42: ...B Specifications 34 016 70000 000 02 201603 Grating NIR12 900 2500 nm 500 l mm Blazed at 1370 nm Grating NIR13 800 2500 nm 600 l mm Blazed at 1200 nm ...

Страница 43: ...vary by grating range and slit size Optical Resolution by Slit Width Slit NIRQuest5121 NIRQuest512 2 22 NIRQuest512 2 53 NIRQuest256 2 12 NIRQuest256 2 53 SLIT 10 2 0 nm 3 0 nm 4 1 nm 6 7 nm 8 3 nm SLIT 25 3 1 nm 4 7 nm 6 3 nm 7 6 nm 9 5 nm SLIT 50 3 6 nm 5 4 nm 7 2 nm 8 9 nm 11 1 nm SLIT 100 6 6 nm 9 8 nm 13 1 nm 11 2 nm 13 9 nm SLIT 200 12 3 nm 18 5 nm 25 nm 17 9 nm 22 2 nm 1 Grating NIR3 used 9...

Страница 44: ... as follows USB Port 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 30 Pin Accessory Connector Pinout Diagram 30 Pin Accessory Connector Pin Definitions and Descriptions The following table contains information regarding the function of each pin in the NIRQuest s 30 Pin Accessory Connector Pin Function Input Output Description 1 RS232 Rx Input RS232 receive signal...

Страница 45: ... other peripherals Ensure that peripherals comply with USB specifications no TEC power 13 SPI Data Out Output Reserved 14 VCC or 5VIN Input or Output Input power pin for NIRQuest When operating via USB this pin can power other peripherals Ensure that peripherals comply with USB specifications no TEC power 15 SPI Data In Input Reserved 16 GPIO 4 Input Output GPIO 17 Single Strobe Output TTL output ...

Страница 46: ...tor Part Numbers The part numbers for the 30 pin accessory connector on the NIRQuest Spectrometer are as follows The connector is Pak50 model from 3M Corp Headed Connector Part Number P50 030P1 RR1 TG The mating connector is Part Number P50 030S TGF Mating the two components requires two 1 27 mm 50 mil flat ribbon cables 3M 3365 Series is recommended NIRQuest 15 Pin Accessory Cable Pinout Pin Desc...

Страница 47: ...hort Integration Times For the detector to be sensitive out to 2 5µm the detector s band gap energy must be small Unfortunately this raises the absolute level of the detectors dark signal Typical dark signals at 400ms NIRQuest512 2 5 and 135ms NIRQuest256 2 5 are shown below Fiber Selection For maximum signal intensity alternative fiber materials should be used for wavelengths greater than 2 2µm ...

Страница 48: ...C NIRQuest512 2 5 and NIRQuest256 2 5 Sensitivity 40 016 70000 000 02 201603 ...

Страница 49: ...brating 17 calibration coefficients saving in USB mode 20 CCD Detector 22 collimating mirror 22 component table 21 configuring 9 configuring in OceanView TE Cooler 9 D document audience iii purpose iii summary iii E external triggering 12 F features 3 filter 22 focusing mirror 22 G grating 22 29 efficiency curves 31 gratings 31 I Installation 7 Serial 8 USB 7 installed filter 22 Installing 7 inter...

Страница 50: ...ed documentation iv S shipment contents 4 shutter control 10 slit 22 change 12 SMA Connector 22 Specifications Gratings 31 Spectrometer 26 Spectroscopic Accessories 12 T TE Cooler 3 9 troubleshooting Linux systems 16 Mac systems 16 Windows systems 15 Troubleshooting 15 U upgrades iv USB ADP PC 4 USB CBL 1 4 W warranty iv Wavelength Calibration 17 Wavelength Calibration Data File 5 Wavelength Calib...

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