Large area space qualified thermoelectrically (TE) cooled HgCdTe MW photovoltaic detectors for the Halogen Occultation Experiment (HALOE)

Details Large area space qualified thermoelectrically (TE) cooled HgCdTe MW photovoltaic detectors for the Halogen Occultation Experiment (HALOE) Large area space qualified thermoelectrically (TE) cooled HgCdTe MW photovoltaic detectors for the Halogen Occultation Experiment (HALOE)

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..686..138n&link_type=abstract

IN: Infrared detectors, sensors, and focal plane arrays; Proceedings of the Meeting, San Diego, CA, Aug. 21, 22, 1986 (A88-12689

Computer Science

Performance

Atmospheric Chemistry, Halogen Occultation Experiment, Infrared Detectors, Mercury Cadmium Tellurides, Photodiodes, Thermoelectric Cooling, Nitric Oxide, P-Type Semiconductors, Space Charge, Volt-Ampere Characteristics

Scientific paper

Large-area, HgCdTe MW photovoltaic detectors have been developed for the NASA-HALOE instrument scheduled for operation on the Upper Atmospheric Research Satellite. The photodiodes will be TE-cooled and were designed to operate in the 5.1-5.4 micron band at 185 K to measure nitric oxide concentrations in the atmosphere. The active area required 15 micron thick devices and a full backside common contact. Reflections from the backside contact doubled the effective thickness of the detectors. Optical interference from reflections was eliminated with a dual layer front surface A/R coating. Bakeout reliability was optimized by having Au metallization for both n and p interconnects. Detailed performance data and a model for the optical stack are presented.

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