Spectral effects on bulk photoconductors operated at cryogenic temperatures

Joseph C. Boisvert; James D. Merriam; Donald L. Stierwalt; Ronald Keith Bentley; Miles H. Sweet

doi:10.1117/12.60540

1 July 1992 Spectral effects on bulk photoconductors operated at cryogenic temperatures

Joseph C. Boisvert, James D. Merriam, Donald L. Stierwalt, Ronald Keith Bentley, Miles H. Sweet

Author Affiliations +

Proceedings Volume 1686, Test and Evaluation of IR Detectors and Arrays II; (1992) https://doi.org/10.1117/12.60540
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

The spectral content of radiation incident on a bulk photoconductor can significantly affect the measured photocurrent. We show that front-illuminated Si:As bulk photoconductors operated at low temperature (approximately 10 degree(s)K) are sensitive to the spectral characteristics of the background, as well as signal fluxes. Our analysis is applied to spectral response measurements on bulk photoconductors themselves, and to filter transmission measurements that have been made utilizing these devices as IR detectors.

Citation Download Citation

Joseph C. Boisvert, James D. Merriam, Donald L. Stierwalt, Ronald Keith Bentley, and Miles H. Sweet "Spectral effects on bulk photoconductors operated at cryogenic temperatures", Proc. SPIE 1686, Test and Evaluation of IR Detectors and Arrays II, (1 July 1992); https://doi.org/10.1117/12.60540

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