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Proceedings Paper

Fluorescent Planar Concentrator
Author(s): V. Wittwer; W. Stahl; A. Goetzberger
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Paper Abstract

Fluorescent planar concentrators have been discussed in the literature for about five years. The advantages of the system are the ability to concentrate both direct and diffuse light, and variability in transparency which offers the possibility of a manifold of hybrid applications. The best total efficiency measured for electrical conversion with a stack of two plates is 4 %, the highest energy concentration factor at the output edge was ten. Theoretical calculations of the limitations on the concentration factor are presented. The life-time of the total system could be improved, so the first commercial applications are now being planned.

Paper Details

Date Published: 1 December 1983
PDF: 6 pages
Proc. SPIE 0428, Optical Materials and Process Technology for Energy Efficiency and Solar Applications, (1 December 1983); doi: 10.1117/12.936304
Show Author Affiliations
V. Wittwer, Fraunhofer-Institut fur Solare Energiesysteme (West Germany)
W. Stahl, Fraunhofer-Institut fur Solare Energiesysteme (West Germany)
A. Goetzberger, Fraunhofer-Institut fur Solare Energiesysteme (West Germany)


Published in SPIE Proceedings Vol. 0428:
Optical Materials and Process Technology for Energy Efficiency and Solar Applications
Carl M. Lampert, Editor(s)

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