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Proceedings Paper

Performance of silicone-on-glass Fresnel lenses in EMCORE's Gen 3 high-concentration concentrator photovoltaic system
Author(s): James S. Foresi; Rick Hoffman; David King; Patrick Ponsardin
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Paper Abstract

EMCORE's Concentrator Photovoltaic (CPV) systems use large-format Fresnel lenses to achieve 1090X concentration onto high-efficiency multi-junction solar cells. The use of Fresnel lenses is common in CPV systems due to their thin profile and light weight. EMCORE uses silicone-on-glass (SOG) lens technology, which provides a high-reliability, high-durability alternative to acrylic lenses. This paper describes performance variations of these lenses based on the Fresnel groove depth. Both the optical efficiency and temperature dependence of the optical system are evaluated as a function of groove depth.

Paper Details

Date Published: 10 October 2012
PDF: 6 pages
Proc. SPIE 8468, High and Low Concentrator Systems for Solar Electric Applications VII, 84680G (10 October 2012); doi: 10.1117/12.929348
Show Author Affiliations
James S. Foresi, EMCORE Corp. (United States)
Rick Hoffman, EMCORE Corp. (United States)
David King, EMCORE Corp. (United States)
Patrick Ponsardin, EMCORE Corp. (United States)


Published in SPIE Proceedings Vol. 8468:
High and Low Concentrator Systems for Solar Electric Applications VII
Kaitlyn VanSant; Adam P. Plesniak, Editor(s)

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