Field Portable HgCdTe MWIR Staring Array Imaging System

Michael B. Gubala; J. Ralph Teague; James M. Burns; J. S. DiMarco

doi:10.1117/12.951435

30 June 1989 Field Portable HgCdTe MWIR Staring Array Imaging System

Michael B. Gubala, J. Ralph Teague, James M. Burns, J. S. DiMarco

Proceedings Volume 1050, Infrared Systems and Components III; (1989) https://doi.org/10.1117/12.951435
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

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.

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Michael B. Gubala, J. Ralph Teague, James M. Burns, and J. S. DiMarco "Field Portable HgCdTe MWIR Staring Array Imaging System", Proc. SPIE 1050, Infrared Systems and Components III, (30 June 1989); https://doi.org/10.1117/12.951435

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KEYWORDS

Staring arrays

Sensors

Mid-IR

Infrared imaging

Infrared radiation

Imaging systems

Multiplexers

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