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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 31 — Nov. 1, 2000
  • pp: 5679–5684

Optical assessment of nonimaging concentrators

Andreas Timinger, Abraham Kribus, Harald Ries, Toni Smith, and Markus Walther  »View Author Affiliations


Applied Optics, Vol. 39, Issue 31, pp. 5679-5684 (2000)
http://dx.doi.org/10.1364/AO.39.005679


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Abstract

An optical measurement method for nonimaging radiation concentrators is proposed. A Lambertian light source is placed in the exit aperture of the concentrator. Looking into the concentrator’s entrance aperture from a remote position, one can photograph the transmission patterns. The patterns show the transmission of radiation through the concentrator with the full resolution of the four-dimensional phase space of geometric optics. By matching ray-tracing simulations to the measurement, one can achieve detailed and accurate information about the geometry of the concentrator. This is a remote, noncontact measurement and can be performed in situ for installed concentrators. Additional information regarding small-scale reflector waviness and surface reflectivity can also be obtained from the same measurement with additional analysis.

© 2000 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(080.2740) Geometric optics : Geometric optical design
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.7000) Instrumentation, measurement, and metrology : Transmission

History
Original Manuscript: March 2, 2000
Revised Manuscript: May 31, 2000
Published: November 1, 2000

Citation
Andreas Timinger, Abraham Kribus, Harald Ries, Toni Smith, and Markus Walther, "Optical assessment of nonimaging concentrators," Appl. Opt. 39, 5679-5684 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-31-5679

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