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Proceedings Paper

Optical Evaluation Techniques For Reflecting Solar Concentrators
Author(s): B. L. Butler; R. B. Pettit
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Paper Abstract

Reflecting solar concentrators must possess good specular reflectance and optical quality. Quantitative techniques to evaluate beam spreading have been developed to allow analysis of concentrator performance. These techniques, known as bidirectional reflectometry and laser ray trace inspection, are summarized and examples of their usefulness for evaluation of solar concentrators are given. Data on contour errors found in model parabolas of various constructions and data on the specular reflectance of common mirror materials are included. A data format is outlined which allows the experimental results to be used for collector design, quality control and/or concentrator specification.

Paper Details

Date Published: 31 October 1977
PDF: 9 pages
Proc. SPIE 0114, Optics Applied to Solar Energy Conversion, (31 October 1977); doi: 10.1117/12.955619
Show Author Affiliations
B. L. Butler, Sandia Laboratories (United States)
R. B. Pettit, Sandia Laboratories (United States)

Published in SPIE Proceedings Vol. 0114:
Optics Applied to Solar Energy Conversion
A. I. Mlavsky; Roland Winston, Editor(s)

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