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OPTICAL SYSTEM FOR MEASUREMENTS, AND LUMINANCE COLORIMETER AND COLORIMETER USING SAME
OPTICAL SYSTEM FOR MEASUREMENTS, AND LUMINANCE COLORIMETER AND COLORIMETER USING SAME
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机译:光学测量系统以及使用相同的亮度定色仪和定色仪
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摘要
In a measuring probe 40, a measuring beam is diffused by a first diffusion plate 19, and when received by a plurality of light-receiving sensors 13B, 14B, 15B via a plurality of interference filters 13A, 14A, 15B, the measuring beam is made incident on the interference filters 13A, 14A, 15B via second diffusion plates 13C, 14C, 15C. Those interference filters 13A, 14A, 15B are formed such that transmittance characteristics corresponding to a measurement parameter are obtained correspondingly to intensity distribution conditions for an angle of incidence of light incident on the interference filters 13A, 14A, 15B. Therefore, the measuring probe 40 can reduce the effect of displacement of the transmission characteristic caused by the angle of incidence, while using the interference filters 13A, 14A, 15B.
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