Texas Instruments DLP NIRscan Nano Calibration Procedure
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Texas Instruments DLP NIRscan Nano Calibration Procedure

Texas Instruments DLP NIRscan Nano Calibration Procedure

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®
™
DLP
NIRscan
Nano Alignment and
Calibration Procedure
Revision 0.7
Creation Date 14 Apr 2015
Last Change 25 Sep 2015
Copyright © 2014
Texas Instruments
All rights reserved

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Summary of Contents for Texas Instruments DLP NIRscan Nano

  • Page 1 ® ™ NIRscan Nano Alignment and Calibration Procedure Revision 0.7 Creation Date 14 Apr 2015 Last Change 25 Sep 2015 Copyright © 2014 Texas Instruments All rights reserved...

  • Page 2: Table Of Contents

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Table of Contents History ................................2 Introduction ..............................3 Process Flow .............................. 3 Graphical User Interface (GUI) Initialization ....................4 Detector Alignment ............................. 5 Slit Alignment .............................. 9 Wavelength Calibration ..........................

  • Page 3: Introduction

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 1. Introduction ® ™ This document covers the suggested factory alignment and calibration procedure for the DLP NIRscan Nano EVM. As the software is refined, this procedure will be updated to reflect any software changes. Procedural deviations are permitted, as long as the performance requirements as shown in the software are met.

  • Page 4: Graphical User Interface (Gui) Initialization

    2. Run the GUI installer. This will install the GUI in C:\Program Files (x86)\Texas Instruments\DLPNIRNANOGUI-version\. Sources are installed into C:\Users\$CURRENTUSER\Texas Instruments\NIRscan Nano\Sources 3. Start execution of the NIRscanNanoGUI by clicking to start the NIRscanNanoGUI_v0.34.2.exe file. 4. On new EVM units you will encounter the following prompts. Wipe the EEPROM data. Select Yes.

  • Page 5: Detector Alignment

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 7. Select Ok to proceed from Scan Configuration prompt. 8. Once a valid Wavelength and Reference calibration scan has been performed the GUI prompts from steps4, 5, 6 will no longer appear. 9.
  • Page 6 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Nano 2513871 Top Level Assy Drawing NIRscan Nano Engine to be aligned Vacuum tubing Vacuum pump Figure 3 – Detector Alignment Overview When the parts from Table 1 are assembled as shown in Figure 3 and connected to the external vacuum pump, the following detector alignment procedure can commence.
  • Page 7 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 7. Place the calibration sample holder (2513941) on the reflectance module (2513929) 8. From the active GUI panel select the Factory tab. Then under ‘Detector Alignment’ select Start button.
  • Page 8 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Figure 4 – Detector Detail ® Advanced Light TI Confidential – NDA Restrictions Page 8 / 19 Control...

  • Page 9: Slit Alignment

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 5. Slit Alignment Slit depth must be manually set to ensure best focus on the DMD. If the image of the slit is blurred on the DMD, spectrometer resolution will suffer.
  • Page 10 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 When the parts from Table 2 are assembled as shown in Figure 5, the following slit alignment procedure can commence. Procedure 2 – Slit Adjustment 1. Remove the Illumination Lamp module from the Optical Engine (OE). 2.

  • Page 11: Wavelength Calibration

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Figure 6 – Slit Alignment Detail 6. Wavelength Calibration Electronic calibration maps known wavelengths to specific DMD pixel locations. The instrument can then provide information necessary to design patterns that direct particular wavelengths of light to the detector. There is no change from the slit alignment setup, so it may be completed with the same setup as the slit alignment.
  • Page 12 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Figure 7 – Wavelength Calibration Overview Procedure 3 – Wavelength Calibration 1. Install the linear end of the fiber with mark into the fiber input module, aligning the mark on the fiber housing to the groove in the illumination module 2.
  • Page 13 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 5. From an active GUI panel, enter the Factory tab and under the Factory tab. Select ‘Wavelength Calibration’ from the scroll down menu bar. 6. Select Start to begin the calibration. 7.
  • Page 14 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 8. Place the RM-NIR sample in the EcoVis sampling Module. (Figure 7b) After placing sample select Yes. Figure 9b – Wavelength Calibration Overview ® Advanced Light TI Confidential –...
  • Page 15 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 9. The AR-1 Light source should be connected to the system and powered ON.(Fig7c) Select Yes. Figure 10c – Wavelength Calibration Overview 10. Calibration progress will be reported on the horizontal progression bar. ®...

  • Page 16: Reference Calibration

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 11. When the wavelength calibration is complete the FWHM results are recorded on the GUI panel. Check these numbers for accuracy: The measured values of FWHM pass when all three readings are FWHM ≤12nm.
  • Page 17 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 CALIBRATION FIXTURE NIRscan Nano 2513878 TOP LEVEL ASSY - ASSEMBLY FIXTURE Fixture (NO CALIBRATION) NIRscan Nano 2513941 CALIBRATION SAMPLE HOLDER ASSY NIRscan Reflectance Reference Nano Figure 11 – Reference Calibration Overview When the parts from Table 4 are assembled as shown in Figure 11, the following reference calibration procedure can commence.

  • Page 18: System Test

    ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 4. Next perform the SNR Computation. From the GUI Factory tab, select SNR Computation from the scroll down menu bar. Select Start button to begin the Computation test. 5.
  • Page 19 ® ™ NIRscan Nano Alignment Date: 25 Sep 2015 and Calibration Procedure Revision: 0.7 Standard Test Sample Sample The only setup after commence. Procedure 4 – Reference Calibration is to remove the reflectance reference (2513941) and instead hold the test sample up to the unit. Procedure 5 –...

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