Physics
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sntm.work..271a&link_type=abstract
In JPL, Proceedings of the Second Noncontact Temperature Measurement Workshop p 271-283 (SEE N90-17894 10-31)
Physics
Charge Coupled Devices, Reflecting Telescopes, Starlab, Thermal Mapping, Video Signals, Background Radiation, Beam Switching, Closed Cycles, Cryostats, Field Of View, Lenses, Mirrors, Pixels, Real Time Operation, Silicon, Space Shuttle Orbiters, Vibration
Scientific paper
EDO Corporation, Barnes Engineering Division designed and constructed a high resolution thermal imaging system on contract to Lockheed for use in the SDI Star Lab. This employs a Pt Si CCD array which is sensitive in the spectral range of 3 to 5 microns. Star Lab will be flown in the Shuttle bay and consists basically of a large, reflecting, tracking telescope with associated sensors and electronics. The thermal imaging system is designed to operate in the focal plane of this telescope. The configuration of the system is illustrated. The telescope provides a collimated beam output which is focussed onto the detector array by a silicon objective lens. The detector array subtends a field of view of 1.6 degrees x 1.22 degrees. A beam switching mirror permits bypassing the large telescope to give a field of 4 degrees x 3 degrees. Two 8 position filter wheels are provided, and background radiation is minimized by Narcissus mirrors. The detector is cooled with a Joule-Thompson cryostat fed from a high pressure supply tank. This was selected instead of a more convenient closed-cycle system because of concern with vibration. The latter may couple into the extremely critical Starlab tracking telescope. The electronics produce a digitized video signal for recording. Offset and responsivity correction factors are stored for all pixels and these corrections are made to the digitized output in real time.
No associations
LandOfFree
A space qualified thermal imaging system using a Pt Si detector array does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A space qualified thermal imaging system using a Pt Si detector array, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A space qualified thermal imaging system using a Pt Si detector array will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1052011