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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1122–1133

Planar micro-optic solar concentrator

Jason H. Karp, Eric J. Tremblay, and Joseph E. Ford  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 1122-1133 (2010)
http://dx.doi.org/10.1364/OE.18.001122


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Abstract

We present a new approach to solar concentration where sunlight collected by each lens in a two-dimensional lens array is coupled into a shared, planar waveguide using localized features placed at each lens focus. This geometry yields a thin, flat profile for moderate concentration systems which may be fabricated by low-cost roll manufacture. We provide analyses of tradeoffs and show optimized designs can achieve 90% and 82% optical efficiency at 73x and 300x concentration, respectively. Finally, we present preliminary experimental results of a concentrator using self-aligned reflective coupling features fabricated by exposing molded SU-8 features through the lens array.

© 2010 OSA

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(230.7400) Optical devices : Waveguides, slab
(350.6050) Other areas of optics : Solar energy

ToC Category:
Solar Energy

History
Original Manuscript: October 12, 2009
Revised Manuscript: December 18, 2009
Manuscript Accepted: December 22, 2009
Published: January 8, 2010

Citation
Jason H. Karp, Eric J. Tremblay, and Joseph E. Ford, "Planar micro-optic solar concentrator," Opt. Express 18, 1122-1133 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-1122


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