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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 5 — May. 1, 1974
  • pp: 1171–1178

Influence of Black Coatings on Pyroelectric Detectors

W. R. Blevin and Jon Geist  »View Author Affiliations


Applied Optics, Vol. 13, Issue 5, pp. 1171-1178 (1974)
http://dx.doi.org/10.1364/AO.13.001171


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Abstract

The extent to which the thermal capacitance and resistance of a black coating on a pyroelectric detector offset the gain in optical absorptance is investigated. A black paint is shown to be of little value, but a coating of gold–black may increase the detector responsivity for modulation frequencies up to at least several kilohertz. When a coated pyroelectric detector is calibrated electrically, a correction is necessary for the thermal impedance of the black. For gold–blacks of superficial density 2 g m−2, this correction is shown to be less than 2% for frequencies within the 0–100-Hz range.

© 1974 Optical Society of America

History
Original Manuscript: September 24, 1973
Published: May 1, 1974

Citation
W. R. Blevin and Jon Geist, "Influence of Black Coatings on Pyroelectric Detectors," Appl. Opt. 13, 1171-1178 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-5-1171


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References

  1. R. A. Smith, F. E. Jones, R. P. Chasmar, The Detection and Measurement of Infra-red Radiation (Clarendon Press, Oxford, 1958).
  2. L. Harris, “The Optical Properties of Metal Blacks and Carbon Blacks,” (Monograph Series No. 1, Massachusetts Institute of Technology and The Eppley Foundation for Research, 1967).
  3. E. H. Putley, in Semiconductors and Semimetals, R. K. Willardson, A. C. Beer, Eds. (Academic Press, New York, 1970), Vol. 5. [CrossRef]
  4. B. R. Holeman, Infrared Phys. 12, 125 (1972). [CrossRef]
  5. R. J. Phelan, R. J. Mahler, A. R. Cook, Appl. Phys. Lett. 19, 337 (1971). [CrossRef]
  6. Certain commercial materials are identified in this paper in order to specify the experimental procedure adequately. This identification does not imply that the materials are necessarily the best available for the purpose.
  7. W. R. Blevin, Appl. Opt. 12, 2802 (1973). [CrossRef] [PubMed]
  8. W. R. Blevin, W. J. Brown, Metrologia 2, 139 (1966). [CrossRef]
  9. W. R. Blevin, W. J. Brown, J. Sci. Instrum. 42, 385 (1965). [CrossRef]
  10. R. J. Phelan, A. R. Cook, Appl. Opt. 12, 2494 (1973). [CrossRef] [PubMed]
  11. E. J. Gillham, Proc. Roy. Soc. (London) A269, 249 (1962).

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