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Indoor characterization of reflective concentrator optics

: Schmid, T.; Frick, M.; Hornung, T.; Nitz, P.

Postprint urn:nbn:de:0011-n-2756517 (761 KByte PDF)
MD5 Fingerprint: ffdd13e08e2907bf66d0bfd3cbf66e49
Copyright AIP
Created on: 31.1.2014

Dimroth, F. ; American Institute of Physics -AIP-, New York:
9th International Conference on Concentrator Photovoltaic Systems, CPV 2013 : 15–17 April 2013, Miyazaki, Japan
New York, N.Y.: AIP Press, 2013 (AIP Conference Proceedings 1556)
ISBN: 978-0-7354-1182-1
International Conference on Concentrator Photovoltaic Systems (CPV) <9, 2013, Miyazaki>
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Solarthermie und Optik; III-V und Konzentrator-Photovoltaik; Angewandte Optik und funktionale Oberflächen; Konzentrator-Optik; Konzentratoroptik; Characterization; optics

We report about the indoor characterization of small point focusing mirrors at Fraunhofer ISE. The goal is to determine the mean slope error of the concentrator. This is achieved by measuring the concentration distribution in the focal plane of such a mirror. We modified and expanded a test site which is used for Fresnel lens characterization [1]. A modified version of the method presented in [2] is employed to measure the concentration distribution. By comparing ray tracing simulation results of the ideal mirror to the measurement, the mean slope error can be deduced.