A monolithic PbTeCCD focal plane array for MWIR imaging

Details A monolithic PbTeCCD focal plane array for MWIR imaging A monolithic PbTeCCD focal plane array for MWIR imaging

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.356..409v&link_type=abstract

In ESA, Proceedings of an ESA Symposium on Photon Detectors for Space Instrumentation p 409-412 (SEE N94-15025 03-19)

Physics

Focal Plane Devices, Infrared Imagery, Lead Tellurides, Photoconductors, Pixels, Charge Coupled Devices, Design Analysis, Linear Arrays, Multiplexing

Scientific paper

A 1536 pixels butted array consisting of three CCD (Charge Coupled Device) modules with a truly linear sensor row and with a bilinear readout organization was developed for infrared imaging. The pixel gap at the butting edges is nominally 1 and maximum 2 pixels and the alignment accuracy is better than 5 micrometers within the detector plane and better than 50 micrometers in the Z direction. Photoconductive polycrystalline PbTe detectors were deposited directly on top of a CCD multiplexer circuit, resulting in most probably a lead salt detector array with the highest degree of integration, reported so far. The devices are operated in the 77 to 120K range and are showing a peak responsivity of 240 GV/J and a minimum noise equivalent power of 130 fW/square root of Hz.

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