Statistics – Applications
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5640...74t&link_type=abstract
Infrared Components and Their Applications. Edited by Gong, Haimei; Cai, Yi; Chatard, Jean-Pierre. Proceedings of the SPIE, Vol
Statistics
Applications
Scientific paper
As far as cooled staring arrays are concerned, InfraRed (IR) detectors with a 320x256 format are produced at mass production level since the end of the nineties but the request for miniaturization and affordability is more and more important for IR systems. To answer these requirements, SOFRADIR has taken its HgCdTe (Mercury Cadmium Telluride/ MCT) material and process as well as its hybridization technology to the next even more advanced level of sophistication and is now offering large format detectors with graduated levels of performances regarding pitch size and cryogenics. For Mid Wave (MW) applications a TV (640x480 or 640x512) format MCT with 15 μm pixel pitch is offered allowing the integration of highly miniaturized cryogenics including the use of quarter Watts micro-coolers and dedicated to compact systems or to the upgrade of existing systems using TV/4 (320x240) format. This new 15 μm pitch MCT TV format exhibits a very small size cryogenics in order to fit the system requirements of miniaturization and cost reduction. For Long Wave (LW) applications, 288x4 TDI scanning arrays are offered with compact cryogenics and take advantage of the use of the same advanced cryogenics developments. Finally, as far as long wave staring arrays are concerned a 25 μm pitch 384x288 HgCdTe detector has been developed allowing the use of 0.5W micro cooler with miniaturized cryogenics. The characteristics and performances of these new IR detectors are presented in this paper.
Brochier Elisabeth
Manissadjian Alain
Tribolet Philippe
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