Nonimaging reflectors as functionals of the desired irradiance

Roland Winston; Harald Ries

doi:10.1117/12.161934

1 November 1993 Nonimaging reflectors as functionals of the desired irradiance

Roland Winston, Harald Ries

Proceedings Volume 2016, Nonimaging Optics: Maximum-Efficiency Light Transfer II; (1993) https://doi.org/10.1117/12.161934
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

For many tasks in illumination and collection the acceptance angle is required to vary along the reflector. If the acceptance angle function is known, then the reflector profile can be calculated as a function of it. The total flux seen by an observer from a source of uniform brightness (radiance) is proportional to the sum of the view factor of the source and its reflection. This allows one to calculate the acceptance angle function necessary to produce a certain flux distribution and thereby construct the reflector profile. We demonstrate the method for several examples, including finite size sources with reflectors directly joining the source.

Citation Download Citation

Roland Winston and Harald Ries "Nonimaging reflectors as functionals of the desired irradiance", Proc. SPIE 2016, Nonimaging Optics: Maximum-Efficiency Light Transfer II, (1 November 1993); https://doi.org/10.1117/12.161934

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