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Indoor characterization of secondary optical elements

 
: Schmid, T.; Hornung, T.; Nitz, P.

:

Dimroth, F.:
8th International Conference on Concentrating Photovoltaic Systems, CPV-8 : April 16-18, 2012, Toledo, Spain
Woodbury, NY: AIP Press, 2012 (AIP Conference Proceedings 1477)
ISBN: 978-0-7354-1086-2
ISSN: 0094-243X
S.85-88
International Conference on Concentrating Photovoltaic Systems (CPV) <8, 2012, Toledo>
Englisch
Konferenzbeitrag
Fraunhofer ISE ()
Solarthermie und Optik; III-V und Konzentrator-Photovoltaik; Angewandte Optik und funktionale Oberflächen; Konzentrator-Optik; Konzentratoroptik

Abstract
We report about the indoor characterization of secondary optical elements (SOEs) at Fraunhofer ISE. The concentration profile at the SOE's exit aperture under various illumination conditions is obtained by imaging a transmissive diffuser via a CCD camera. This method is very fast, easy and can be used to identify deviations from designed shape of the SOEs. To compare different samples quantitatively a simulation model was set up. In this paper we describe the experimental setup, present results for different refractive SOEs made of glass and estimate the loss in a Fresnel lens based CPV system due to the identified errors.

: http://publica.fraunhofer.de/dokumente/N-223394.html