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Scisat Test Readiness Review

Scisat Test Readiness Review. Ground Support Equipment Status. University of Toronto 29 January 2003. GSE Components. TVAC system (includes LN2 shroud and LHe target) Collimator system (includes 3 sources to simulate sunlight to test Scisat in TVAC) Laser Assembly

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Scisat Test Readiness Review

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  1. Scisat Test Readiness Review Ground Support Equipment Status University of Toronto 29 January 2003

  2. GSE Components • TVAC system (includes LN2 shroud and LHe target) • Collimator system (includes 3 sources to simulate sunlight to test Scisat in TVAC) • Laser Assembly • QI - Spectralon Assembly • Solar Simulator • EGSE

  3. TVAC system

  4. TVAC system status • Good pumpdown performance during MAESTRO baseline tests • Temperature and Pressure monitoring systems work fine • LN2 shroud tested successfully • He target tested successfully • Baseplate handling system tested successfully • New thermal bath to be implemented ? • Gate valve is currntly under repair • BaF2 and ZnSe windows have never been tested with the tank

  5. Collimator System (Not shown: Attenuator Wheel , 3000K blackbody, QI lamp)

  6. Collimator System Alignment Mechanism

  7. Collimator System Status • Alignment system complete, works fine • Xe & QI configurations tested with MAESTRO during baseline tests (Oct 2002) • NO2 handling process in place and tested • Succesful gas absorption measurements taken during baseline tests. • Ozone cell remains untested with collimator system • Cell temperature and pressure monitoring to be implemented • FTS gas cell not tested • 3000K black body not tested • Nitrogen purge tent not finished • Hybrid attenuators for FTS testing not built yet • Polarizers not tested with MAESTRO

  8. Integrated Laser Platform

  9. Integrated laser platform status • 4 beam expanded lasers (325nm, 532nm, 670nm and 830nm) are combined using a holographic grating • Laser platform has been assembled & partially tested during MAESTRO baseline tests • Laser assembly needs to be re-aligned and tested with MAESTRO

  10. QI - Spectralon calibration jig • This unit has been used many times by MSC for absolute radiance calibration • A new current control algorithm is part of the EGSE & has been used successfully

  11. Solar simulator • Was used for MOPITT characterization, the plan is to use it for FTS imager field tests • All parts seem to be present, but it hasn't been used in several years

  12. EGSE Network

  13. EGSE Status • EGSE was successfully used for MAESTRO baseline testing (MAESTRO controller , OGSE controller and TVAC Interface PC's) • PC Anywhere has been installed on all PC's • Some scripts need to be revised • UDP interface with FTS EGSE has not yet been tested • Sending scripts to MAESTRO and FTS simultaneously has not been tested

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