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Proceedings Paper

Field Portable HgCdTe MWIR Staring Array Imaging System
Author(s): Michael B. Gubala; J. Ralph Teague; James M. Burns; J. S. DiMarco
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Paper Abstract

A field portable IR Imager has been developed at Missile Systems Division of Rockwell International. The Imager is capable of extracting 128 X 128 and 256 X 256 images at 60 Hz rate. The system has been successfully demonstrated against a variety of ground and airborne tactical targets. Staring array used is MWIR HgCaTe hybrid operating in the 4.4-4.85 um region. The muliplexer is processed on silicon and is a CMOS switched FET device. The array is housed in a laboratory dewar and operated at 80K. A MRTD of .01K was measured with noise equivalent temperature difference (NEDT) of .03K. The array has been cycled between room temperature and 80K in excess of 40 times. The optics for the system consist of an F/2 8" lens giving it an IFOV resolution of .29 MRAD for 128 X 128 and .2 MRAD for 256 X 256 array. The Imager has the capability of varying its integration time between a minimum of .1626 msec. and maximum of 3.252 msec.

Paper Details

Date Published: 30 June 1989
PDF: 7 pages
Proc. SPIE 1050, Infrared Systems and Components III, (30 June 1989); doi: 10.1117/12.951435
Show Author Affiliations
Michael B. Gubala, Rockwell International (United States)
J. Ralph Teague, Rockwell International (United States)
James M. Burns, Rockwell International (United States)
J. S. DiMarco, Rockwell International (United States)

Published in SPIE Proceedings Vol. 1050:
Infrared Systems and Components III
Robert L. Caswell, Editor(s)

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