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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 6 — Jun. 13, 2007

Generating light with a specified spectral power distribution

Ivar Farup, Jan Henrik Wold, Thorstein Seim, and Torkjel Søndrol  »View Author Affiliations


Applied Optics, Vol. 46, Issue 13, pp. 2411-2422 (2007)
http://dx.doi.org/10.1364/AO.46.002411


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Abstract

A particular version of a spectral integrator has been designed. It consists of a xenon lamp whose light is dispersed into a color spectrum by dispersing prisms. Using a transmissive LCD panel controlled by a computer, certain fractions of the light in different parts of the spectrum are masked out. The remaining transmitted light is integrated and projected onto a translucent diffusing plate. A spectroradiometer that measures the generated light is also attached to the computer, thus making the spectral integrator a closed-loop system. An algorithm for generating the light of a specified spectral power distribution has been developed. The resulting measured spectra differ from the specified ones with relative rms errors in the range of 1%–20% depending on the shape of the spectral power distribution.

© 2007 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(220.4830) Optical design and fabrication : Systems design
(330.1690) Vision, color, and visual optics : Color

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: October 6, 2006
Manuscript Accepted: December 18, 2006
Published: April 9, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Ivar Farup, Jan Henrik Wold, Thorstein Seim, and Torkjel Søndrol, "Generating light with a specified spectral power distribution," Appl. Opt. 46, 2411-2422 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-46-13-2411


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