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Proceedings Paper

Realization of compact, passively-cooled, high-flux photovoltaic prototypes
Author(s): Daniel Feuermann; Jeffrey M. Gordon; Steve Horne; Gary Conley; Roland Winston
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Paper Abstract

The materialization of a recent conceptual advance in high-flux photovoltaic concentrators into first-generation prototypes is reported. Our design strategy includes a tailored imaging dual-mirror (aplanatic) system, with a tapered glass rod that enhances concentration and accommodates larger optical errors. Designs were severely constrained by the need for ultra-compact (minimal aspect ratio) modules, simple passive heat rejection, liberal optical tolerances, incorporating off-the-shelf commercial solar cells, and pragmatic considerations of affordable fabrication technologies. Each unit has a geometric concentration of 625 and irradiates a single square 100 mm2 triple-junction high-efficiency solar cell at a net flux concentration of 500.

Paper Details

Date Published: 20 August 2005
PDF: 6 pages
Proc. SPIE 5942, Nonimaging Optics and Efficient Illumination Systems II, 59420Q (20 August 2005); doi: 10.1117/12.613082
Show Author Affiliations
Daniel Feuermann, Ben-Gurion Univ. of the Negev (Israel)
Jeffrey M. Gordon, Ben-Gurion Univ. of the Negev (Israel)
Univ. of California, Merced (United States)
Steve Horne, H2Go Corp. (United States)
Gary Conley, H2Go Corp. (United States)
Roland Winston, Univ. of California, Merced (United States)


Published in SPIE Proceedings Vol. 5942:
Nonimaging Optics and Efficient Illumination Systems II
Roland Winston; R. John Koshel, Editor(s)

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