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Applied Optics

Applied Optics


  • Vol. 23, Iss. 4 — Feb. 15, 1984
  • pp: 584–588

Bolometers: ultimate sensitivity, optimization, and amplifier coupling

John C. Mather  »View Author Affiliations

Applied Optics, Vol. 23, Issue 4, pp. 584-588 (1984)

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Theoretical expressions for Johnson noise and thermal noise in bolometers are considered, and optimization with respect to thermal conductivity and bias power is performed. Numerical approximations are given for the ultimate NEP of bolometers as a function of material parameters and compared with photon noise including photon correlations. A resonating capacitor is shown to improve the coupling to an amplifier, so that the amplifier need not limit performance even for very low temperature bolometers.

© 1984 Optical Society of America

Original Manuscript: July 16, 1983
Published: February 15, 1984

John C. Mather, "Bolometers: ultimate sensitivity, optimization, and amplifier coupling," Appl. Opt. 23, 584-588 (1984)

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  1. F. J. Low, J. Opt. Soc. Am. 51, 1300 (1961). [CrossRef]
  2. J. C. Mather, Appl. Opt. 21, 1125 (1982). [CrossRef] [PubMed]
  3. P. M. Downey, “The low-temperature conductivity of ion-implanted silicon and its application in a cryogenic far IR monolithic bolometer,” Ph.D. Thesis, Massachusetts Institute of Téchnology, 1980.

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