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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 19, Iss. S4 — Jul. 4, 2011
  • pp: A673–A685

Orthogonal and secondary concentration in planar micro-optic solar collectors

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

Optics Express, Vol. 19, Issue S4, pp. A673-A685 (2011)

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Planar micro-optic concentrators are passive optical structures which combine a lens array with faceted microstructures to couple sunlight into a planar slab waveguide. Guided rays propagate within the slab to edge-mounted photovoltaic cells. This paper provides analysis and preliminary experiments describing modifications and additions to the geometry which increase concentration ratios along both the vertical and orthogonal waveguide axes. We present simulated results for a 900x concentrator with 85% optical efficiency, measured results for small-scale experimental systems and briefly discuss implementations using low-cost fabrication on continuous planar waveguides.

© 2011 OSA

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(230.7400) Optical devices : Waveguides, slab
(350.6050) Other areas of optics : Solar energy
(080.1753) Geometric optics : Computation methods

ToC Category:
Solar Concentrators

Original Manuscript: January 14, 2011
Revised Manuscript: March 21, 2011
Manuscript Accepted: March 25, 2011
Published: May 17, 2011

Jason H. Karp, Eric. J. Tremblay, Justin M. Hallas, and Joseph E. Ford, "Orthogonal and secondary concentration in planar micro-optic solar collectors," Opt. Express 19, A673-A685 (2011)

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  1. D. Feuermann and J. M. Gordon, “High-concentration photovoltaic designs based on miniature parabolic dishes,” Sol. Energy 70(5), 423–430 (2001). [CrossRef]

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