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Optics Letters

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  • Vol. 26, Iss. 5 — Mar. 1, 2001
  • pp: 280–282

Optical absorption modeling of thermal infrared detectors by use of the finite-difference time-domain method

M. Mirotznik, W. A. Beck, D. Prather, R. Vollmerhausen, and R. Driggers  »View Author Affiliations


Optics Letters, Vol. 26, Issue 5, pp. 280-282 (2001)
http://dx.doi.org/10.1364/OL.26.000280


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Abstract

The optical absorption of thin-film thermal infrared detectors was calculated as a function of wavelength, pixel size, and area fill factor by use of the finite-difference time-domain (FDTD) method. The results indicate that smaller pixels absorb a significantly higher percentage of incident energy than larger pixels with the same fill factor. A polynomial approximation to the FDTD results was derived for use in system models.

© 2001 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(230.0040) Optical devices : Detectors

Citation
M. Mirotznik, W. A. Beck, D. Prather, R. Vollmerhausen, and R. Driggers, "Optical absorption modeling of thermal infrared detectors by use of the finite-difference time-domain method," Opt. Lett. 26, 280-282 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-5-280


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References

  1. P. W. Kruse and D. D. Skatrud, in Uncooled Infrared Imaging Arrays and Systems, R. K. Willardson and E. R. Weber, eds., Vol. 47 of Semiconductors and Semimetals (Academic, San Diego, Calif., 1997).
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  3. V. T. Bly and T. Cox, Appl. Opt. 33, 26 (1994).
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