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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1614–1616

Optimization of nonimaging focusing heliostat in dynamic correction of astigmatism for a wide range of incident angles

Kok-Keong Chong  »View Author Affiliations


Optics Letters, Vol. 35, Issue 10, pp. 1614-1616 (2010)
http://dx.doi.org/10.1364/OL.35.001614


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Abstract

To overcome astigmatism has always been a great challenge in designing a heliostat capable of focusing the sunlight on a small receiver throughout the year. In this Letter, a nonimaging focusing heliostat with a dynamic adjustment of facet mirrors in a group manner has been analyzed for optimizing the astigmatic correction in a wide range of incident angles. This what is to the author’s knowledge a new heliostat is not only designed to serve the purpose of concentrating sunlight to several hundreds of suns, but also to significantly reduce the variation of the solar flux distribution with the incident angle.

© 2010 Optical Society of America

OCIS Codes
(220.1000) Optical design and fabrication : Aberration compensation
(350.6050) Other areas of optics : Solar energy
(080.4295) Geometric optics : Nonimaging optical systems
(220.4298) Optical design and fabrication : Nonimaging optics

History
Original Manuscript: January 13, 2010
Revised Manuscript: March 27, 2010
Manuscript Accepted: March 27, 2010
Published: May 6, 2010

Citation
Kok-Keong Chong, "Optimization of nonimaging focusing heliostat in dynamic correction of astigmatism for a wide range of incident angles," Opt. Lett. 35, 1614-1616 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-10-1614

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