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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 24 — Aug. 20, 2008
  • pp: 4381–4390

Developing an optimum computer-designed multispectral system comprising a monochrome CCD camera and a liquid-crystal tunable filter

Miguel A. López-Álvarez, Javier Hernández-Andrés, and Javier Romero  »View Author Affiliations


Applied Optics, Vol. 47, Issue 24, pp. 4381-4390 (2008)
http://dx.doi.org/10.1364/AO.47.004381


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Abstract

In a previous work [ J. Opt. Soc. Am. A 24, 942 (2007)] we made a complete theoretical and computational study of the influence of several parameters on the behavior of a planned multispectral system for imaging skylight, including the number of sensors and the spectral estimation algorithm. Here we follow up this study by using all the information obtained in the computational simulations to implement a real multispectral imaging system based on a monochrome CCD camera and a liquid-crystal tunable filter (LCTF). We were able to construct the optimum Gaussian sensors found in the simulations by adjusting the exposure times of some of the transmittance modes of the LCTF, hence obtaining really accurate spectral estimations of skylight with only a few optimum sensors.

© 2008 Optical Society of America

OCIS Codes
(040.0040) Detectors : Detectors
(150.2950) Machine vision : Illumination
(280.0280) Remote sensing and sensors : Remote sensing and sensors

ToC Category:
Machine Vision

History
Original Manuscript: March 26, 2008
Revised Manuscript: July 7, 2008
Manuscript Accepted: July 9, 2008
Published: August 19, 2008

Citation
Miguel A. López-Álvarez, Javier Hernández-Andrés, and Javier Romero, "Developing an optimum computer-designed multispectral system comprising a monochrome CCD camera and a liquid-crystal tunable filter," Appl. Opt. 47, 4381-4390 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-24-4381

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