Offset and gain compensation in an integrated bolometer array

Paul J. Thomas; Alexander Savchenko; Peter M. Sinclair; Paolo Goldman; Richard I. Hornsey; Canaan Sungkuk Hong; Timothy D. Pope

doi:10.1117/12.354582

26 July 1999 Offset and gain compensation in an integrated bolometer array

Paul J. Thomas, Alexander Savchenko, Peter M. Sinclair, Paolo Goldman, Richard I. Hornsey, Canaan Sungkuk Hong, Timothy D. Pope

Author Affiliations +

Proceedings Volume 3698, Infrared Technology and Applications XXV; (1999) https://doi.org/10.1117/12.354582
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

The uniformity of the output of an integrated, quasi-linear array of bolometer elements is evaluated in terms of substrate temperature gradients, variations in bolometer thermal conductivity and temperature coefficient of resistance, and self-heating during readout. With a suitable offset compensation procedure, the array non-uniformity can be as low as a few parts per million of the DC offset voltage. Uniform substrate temperature changes as large as 10K can be tolerated.

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Paul J. Thomas, Alexander Savchenko, Peter M. Sinclair, Paolo Goldman, Richard I. Hornsey, Canaan Sungkuk Hong, and Timothy D. Pope "Offset and gain compensation in an integrated bolometer array", Proc. SPIE 3698, Infrared Technology and Applications XXV, (26 July 1999); https://doi.org/10.1117/12.354582

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