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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: 1977–1984

Double-tailored nonimaging reflector optics for maximum-performance solar concentration

Alex Goldstein and Jeffrey M. Gordon  »View Author Affiliations


JOSA A, Vol. 27, Issue 9, pp. 1977-1984 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001977


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Abstract

A nonimaging strategy that tailors two mirror contours for concentration near the étendue limit is explored, prompted by solar applications where a sizable gap between the optic and absorber is required. Subtle limitations of this simultaneous multiple surface method approach are derived, rooted in the manner in which phase space boundaries can be tailored according to the edge-ray principle. The fundamental categories of double-tailored reflective optics are identified, only a minority of which can pragmatically offer maximum concentration at high collection efficiency. Illustrative examples confirm that acceptance half-angles as large as 30 mrad can be realized at a flux concentration of 1000 .

© 2010 Optical Society of America

OCIS Codes
(350.6050) Other areas of optics : Solar energy
(080.4295) Geometric optics : Nonimaging optical systems
(080.4298) Geometric optics : Nonimaging optics

History
Original Manuscript: March 25, 2010
Revised Manuscript: July 7, 2010
Manuscript Accepted: July 12, 2010
Published: August 12, 2010

Citation
Alex Goldstein and Jeffrey M. Gordon, "Double-tailored nonimaging reflector optics for maximum-performance solar concentration," J. Opt. Soc. Am. A 27, 1977-1984 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-9-1977

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