Optical Evaluation Techniques For Reflecting Solar Concentrators

B. L. Butler; R. B. Pettit

doi:10.1117/12.955619

31 October 1977 Optical Evaluation Techniques For Reflecting Solar Concentrators

B. L. Butler, R. B. Pettit

Proceedings Volume 0114, Optics Applied to Solar Energy Conversion; (1977) https://doi.org/10.1117/12.955619
Event: 21st Annual Technical Symposium, 1977, San Diego, United States

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.

Citation Download Citation

B. L. Butler and R. B. Pettit "Optical Evaluation Techniques For Reflecting Solar Concentrators", Proc. SPIE 0114, Optics Applied to Solar Energy Conversion, (31 October 1977); https://doi.org/10.1117/12.955619

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