Fiber optic head for half-cylindrical illuminance measurement

Jan Dorosz; Wladyslaw Dybczynski; Maciej B. Rafalowski

doi:10.1117/12.501377

1 April 2003 Fiber optic head for half-cylindrical illuminance measurement

Jan Dorosz, Wladyslaw Dybczynski, Maciej B. Rafalowski

Proceedings Volume 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light; (2003) https://doi.org/10.1117/12.501377
Event: Lightmetry 2002, 2002, Warsaw, Poland

Abstract

Apart from the measurement of illuminance on the plane surface, it is also necessary to measure half-cylindrical illuminance (according to the rules and other recommendations). The luminous flux incident on the photometer's head has to be corrected (according to the definition of the luminous flux). It is possible to do this spatial correction using light fibers having very small numerical aperture (NA). Authors present this kind of construction.

Citation Download Citation

Jan Dorosz, Wladyslaw Dybczynski, and Maciej B. Rafalowski "Fiber optic head for half-cylindrical illuminance measurement", Proc. SPIE 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light, (1 April 2003); https://doi.org/10.1117/12.501377

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