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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 9 — Sep. 1, 2010
  • pp: 1985–1993

Output irradiance of tapered lightpipes

Ivan Moreno  »View Author Affiliations


JOSA A, Vol. 27, Issue 9, pp. 1985-1993 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001985


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Abstract

A light cone efficiently transports, distributes, and concentrates the incoming radiation. I derive a formula for the spatial irradiance (or illuminance) distribution at the exit aperture of a tapered light pipe. The theory is demonstrated by Monte Carlo ray-tracing for lightpipes with light-emitting diodes at the input face. The analysis is based on the addition of the radiation patterns of the multiple virtual sources that, as in a three-dimensional kaleidoscope, are seen through a tapered light tube. Given its explicit dependence on the structural and optical parameters, this analysis may be a useful tool in the development and application of light cones.

© 2010 Optical Society of America

OCIS Codes
(030.5620) Coherence and statistical optics : Radiative transfer
(150.2950) Machine vision : Illumination
(080.3685) Geometric optics : Lightpipes

History
Original Manuscript: June 10, 2010
Manuscript Accepted: July 9, 2010
Published: August 12, 2010

Citation
Ivan Moreno, "Output irradiance of tapered lightpipes," J. Opt. Soc. Am. A 27, 1985-1993 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-9-1985

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