IR detectors and subsystems for space applications

Details IR detectors and subsystems for space applications IR detectors and subsystems for space applications

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.356..369r&link_type=abstract

In ESA, Proceedings of an ESA Symposium on Photon Detectors for Space Instrumentation p 369-372 (SEE N94-15025 03-19)

Computer Science

Sound

Infrared Detectors, Infrared Spectrometers, Optical Radar, Remote Sensors, Spacecraft Instruments, European Space Programs, Heterodyning, Research And Development, Technology Assessment

Scientific paper

A review of IR detection modules for space application with an emphasis on three new programs is presented. The first two belong to the spectrometry application and the third to lidar technology. The first program called Omega consists of arrays of detectors for Mars '94 spacecraft to be implemented in the Meudon Observatory (France) IR spectrometer, named Omega, with the purpose to observe mineralogy, water, ice and atmosphere in the IR spectrum. The flight models, each having two arrays and IR filters in a dedicated housing, are under development. The second consists of IR detectors for the IASI (Improved Atmospheric Sounding Infrared) instrument of which the aim is: IR observation of clouds for the Globsat program. The feasibility of long wavelength IR photoconductor with LPE HgCdTe material was studied. The last application is HF heterodyne detectors for lidar application (wind speed measurement projects). The instruments are laser wind sounder (wind speed lidar) and the purpose is the global change from tropics atmosphere in case of a satellite (or airborne) onboard instrument. A subsystem for heteorodyne detector including a high stability (100 kHz) CO2 laser at lambda = 9.11 micrometers and a HgCdTe photovoltaic detector T = 140 K fc = 1000 MHz, is under development. These two last instruments are candidates as payload to be integrated into the ESA polar platforms.

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