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Proceedings Paper

Infrared laser irradiation breadboard: dazzling sensitivity analysis of a HgCdTe focal plane array
Author(s): A. Durécu; P. Bourdon; D. Fleury; D. Goular; S. Rommeluère; O. Vasseur
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Paper Abstract

A comprehensive approach to quantify more accurately the physical phenomena leading to blooming effects on infrared sensors is proposed. Laser dazzling effects on mid-infrared HgCdTe focal-plane-array are investigated thanks to the use of an experimental breadboard. This dedicated breadboard is capable of delivering intense laser spots on focal-planearrays with accurate control of laser spot diameter, position, power and pulse time sequence. The main subsystems of this experimental bench are described, laser sources, focusing optics, power control device and opto-electronic synchronization. HgCdTe focal-plane-array dazzling experiments are then analyzed. The main parameters affecting blooming are varied and the impact of spatial, time and energy characteristics on the resulting dazzled image are assessed.

Paper Details

Date Published: 6 October 2011
PDF: 10 pages
Proc. SPIE 8187, Technologies for Optical Countermeasures VIII, 81870K (6 October 2011); doi: 10.1117/12.897965
Show Author Affiliations
A. Durécu, ONERA (France)
P. Bourdon, ONERA (France)
D. Fleury, ONERA (France)
D. Goular, ONERA (France)
S. Rommeluère, ONERA (France)
O. Vasseur, ONERA (France)

Published in SPIE Proceedings Vol. 8187:
Technologies for Optical Countermeasures VIII
David H. Titterton; Mark A. Richardson, Editor(s)

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