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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/51031


    Title: Fabrication of a tunable daylight simulator
    Authors: Lo,ML;Yang,TH;Lee,CC
    Contributors: 光電科學與工程學系
    Keywords: LIGHT SOURCES;TEMPERATURE
    Date: 2011
    Issue Date: 2012-03-27 18:16:08 (UTC+8)
    Publisher: 國立中央大學
    Abstract: Recently, solid state lighting has begun to play an important role in colorimetric instrumentation. LEDs are being evaluated as one of the possible standard light sources for such devices. In this study, an innovative tunable daylight simulator is developed, which mainly consists of only a few LEDs and a specially designed optical thin-film filter with a fixed transmission spectrum. This simulator is able to simulate daylight spectra with correlated color temperatures ranging from 4000 to 10,000K with very good color rendition indices (CRI >= 97). We have achieved the color difference 0.01, which is better than 0.015, a maximum tolerance as defined by the International Commission on Illumination of the color differences in 1976 u'v' color space between standard daylight and a simulator. (C) 2010 Optical Society of America
    Relation: APPLIED OPTICS
    Appears in Collections:[光電科學與工程學系] 期刊論文

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