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Proceedings Paper

Window Evaluation Programme For An Airborne FLIR System: Environmental And Optical Aspects
Author(s): Richard D. Harris; Andrew W. Towch
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Paper Abstract

A series of environmental tests is being undertaken on various combinations of Infra Red coating and substrate materials, namely polycrystalline germanium, monocrystalline germanium and zinc sulphide. The purpose of this programme is to evaluate and select a suitable material combination for an aircraft borne Forward Looking Infra Red (FUR) system and to produce a material data base. The function of the window under evaluation was to act as both an environmental and aerodynamic protection to the front of the FLIR system. In this role it is required to be very durable and resilient. The window is expected to resist all environmental conditions that the aircraft may encounter and still maintain very low transmission losses. This paper details the environmental and optical aspects of the evaluation programme.

Paper Details

Date Published: 11 September 1989
PDF: 16 pages
Proc. SPIE 1112, Window and Dome Technologies and Materials, (11 September 1989); doi: 10.1117/12.960784
Show Author Affiliations
Richard D. Harris, GEC Sensors Ltd. (U.K.)
Andrew W. Towch, GEC Sensors Ltd. (U.K.)

Published in SPIE Proceedings Vol. 1112:
Window and Dome Technologies and Materials
Paul Klocek, Editor(s)

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