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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 21, Iss. 6 — Mar. 15, 1982
  • pp: 1125–1129

Bolometer noise: nonequilibrium theory

John C. Mather  »View Author Affiliations


Applied Optics, Vol. 21, Issue 6, pp. 1125-1129 (1982)
http://dx.doi.org/10.1364/AO.21.001125


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Abstract

New theoretical results for noise in cryogenic bolometers are derived. Johnson noise is reduced by as much as 60% by electrothermal feedback from the bias supply. Phonon noise in the thermal link is reduced by as much as 30% relative to the usual equilibrium formula. Photon noise in the Rayleigh-Jeans limit is computed with attention to the attenuation of the photon correlations in the light beam. Basic results on bolometer responsivity, time constant, and thermal properties are presented in a new and convenient form. Excess 1/f and contact shot noise are also discussed.

© 1982 Optical Society of America

History
Original Manuscript: September 4, 1981
Published: March 15, 1982

Citation
John C. Mather, "Bolometer noise: nonequilibrium theory," Appl. Opt. 21, 1125-1129 (1982)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-21-6-1125


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References

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