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Applied Optics

Applied Optics


  • Vol. 38, Iss. 4 — Feb. 1, 1999
  • pp: 631–637

Modulation transfer function measurement of an infrared focal plane array by use of the self-imaging property of a canted periodic target

Nicolas Guérineau, Jérôme Primot, Michel Tauvy, and Marcel Caes  »View Author Affiliations

Applied Optics, Vol. 38, Issue 4, pp. 631-637 (1999)

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We present a new technique for measuring the modulation transfer function (MTF) of a focal plane array (FPA). The main idea is to project a periodic pattern of thin lines that are canted with respect to the sensor’s columns. Practically, one aims the projection by using the self-imaging property of a periodic target. The technique, called the canted periodic target test, has been validated experimentally on a specific infrared FPA, leading to MTF evaluation to as great as five times the Nyquist frequency.

© 1999 Optical Society of America

OCIS Codes
(100.2550) Image processing : Focal-plane-array image processors
(110.3080) Imaging systems : Infrared imaging
(110.4100) Imaging systems : Modulation transfer function
(110.6760) Imaging systems : Talbot and self-imaging effects

Original Manuscript: May 29, 1998
Revised Manuscript: September 21, 1998
Published: February 1, 1999

Nicolas Guérineau, Jérôme Primot, Michel Tauvy, and Marcel Caes, "Modulation transfer function measurement of an infrared focal plane array by use of the self-imaging property of a canted periodic target," Appl. Opt. 38, 631-637 (1999)

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