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  4. Indoor characterization of secondary optical elements
 
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2012
Conference Paper
Title

Indoor characterization of secondary optical elements

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.
Author(s)
Schmid, T.
Hornung, Thorsten
Nitz, Peter  
Mainwork
8th International Conference on Concentrating Photovoltaic Systems, CPV-8  
Conference
International Conference on Concentrating Photovoltaic Systems (CPV) 2012  
DOI
10.1063/1.4753840
Language
English
Fraunhofer-Institut für Solare Energiesysteme ISE  
Keyword(s)
  • Solarthermie und Optik

  • III-V und Konzentrator-Photovoltaik

  • Angewandte Optik und funktionale Oberflächen

  • Konzentrator-Optik

  • Konzentratoroptik

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