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1 April 2003 Fiber optic head for half-cylindrical illuminance measurement
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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.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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