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Proceedings Paper

Analysis of performances of quantum cascade detectors
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Paper Abstract

Some parameters of integration of a Quantum Cascade Detector (QCD) in an infrared imaging system are studied. Performances of QCD are first presented : absorption and responsivity spectra, peak responsivity (around 44 mA/W), resistivity at zero bias and detectivity. Quantum efficiency and photoconduction gain are deduced from these results. Finally the consequences of an integration of such a detector in a readout circuit are studied in terms of saturation of an external capacitor.

Paper Details

Date Published: 29 September 2005
PDF: 9 pages
Proc. SPIE 5957, Infrared Photoelectronics, 595704 (29 September 2005); doi: 10.1117/12.623790
Show Author Affiliations
C. Koeniguer, Matériaux et Phénomènes Quantiques, Univ. de Paris VII (France)
L. Gendron, Matériaux et Phénomènes Quantiques, Univ. de Paris VII (France)
V. Berger, Matériaux et Phénomènes Quantiques, Univ. de Paris VII (France)
E. Belhaire, Thales Research and Technology (France)
E. Costard, Thales Research and Technology (France)
P. Bois, Thales Research and Technology (France)
X. Marcadet, Thales Research and Technology (France)


Published in SPIE Proceedings Vol. 5957:
Infrared Photoelectronics
Antoni Rogalski; Eustace L. Dereniak; Fiodor F. Sizov, Editor(s)

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