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Proceedings Paper

HgCdTe photovoltaic linear array for the Cassini infrared spectrometer
Author(s): Philippe Bouchut; Stephane Guillot; Jean-Louis Pornin; Philippe Rambaud; Dominique Giotta; Louis Rodriguez; J. Le Pennec
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Paper 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.

Paper Details

Date Published: 15 July 1994
PDF: 9 pages
Proc. SPIE 2225, Infrared Detectors and Focal Plane Arrays III, (15 July 1994); doi: 10.1117/12.179712
Show Author Affiliations
Philippe Bouchut, LETI-CEA-Technologies Avancees (France)
Stephane Guillot, LETI-CEA-Technologies Avancees (France)
Jean-Louis Pornin, LETI-CEA-Technologies Avancees (France)
Philippe Rambaud, LETI-CEA-Technologies Avancees (France)
Dominique Giotta, LETI-CEA-Technologies Avancees (France)
Louis Rodriguez, CEN-Saclay (France)
J. Le Pennec, CEN-Saclay (France)


Published in SPIE Proceedings Vol. 2225:
Infrared Detectors and Focal Plane Arrays III
Eustace L. Dereniak; Robert E. Sampson, Editor(s)

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