HgCdTe photovoltaic linear array for the Cassini infrared spectrometer

Philippe Bouchut; Stephane Guillot; Jean-Louis Pornin; Philippe Rambaud; Dominique Giotta; Louis Rodriguez; J. Le Pennec

doi:10.1117/12.179712

15 July 1994 HgCdTe photovoltaic linear array for the Cassini infrared spectrometer

Philippe Bouchut, Stephane Guillot, Jean-Louis Pornin, Philippe Rambaud, Dominique Giotta, Louis Rodriguez, J. Le Pennec

Author Affiliations +

Proceedings Volume 2225, Infrared Detectors and Focal Plane Arrays III; (1994) https://doi.org/10.1117/12.179712
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

For the Cassini probe, focal plane number four of the Composite IR Spectrometer is equipped with a HgCdTe photovoltaic linear array. This 10 X 1 array detects in the 1100 to 1400 cm^-1 wavenumber range with 200 X 200 micrometers ² diodes at a pitch of 215 micrometers . Although background flux is near zero, peak detectivity, which is set by intrinsic diode noise, reaches 7.2 10¹¹ cmHz^.5W^-1 at -30 mV bias whereas the theoretical limit is 7.8 10¹¹ cmHz^.5W^-1. These performances are obtained by a simple ion implanted n/p planar technology on a liquid phase HgCdTe epilayer grown on lattice matched CdZnTe substrate.

Citation Download Citation

Philippe Bouchut, Stephane Guillot, Jean-Louis Pornin, Philippe Rambaud, Dominique Giotta, Louis Rodriguez, and J. Le Pennec "HgCdTe photovoltaic linear array for the Cassini infrared spectrometer", Proc. SPIE 2225, Infrared Detectors and Focal Plane Arrays III, (15 July 1994); https://doi.org/10.1117/12.179712

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