WANG Xiao-peng, WU Bao-ning, YUAN Liang, YU Bing, YANG Feng. Research on Automatical Measuring System for Spatial Light Intensity[J]. Journal of Applied Optics, 2005, 26(5): 1-003.
Citation: WANG Xiao-peng, WU Bao-ning, YUAN Liang, YU Bing, YANG Feng. Research on Automatical Measuring System for Spatial Light Intensity[J]. Journal of Applied Optics, 2005, 26(5): 1-003.
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Research on Automatical Measuring System for Spatial Light Intensity

  • Xi′an Institute of Applied Optics,Xi′an 710065,China

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    WANG Xiao-peng

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  • After investigations on the methods usually used in measuring the spatial light intensity of lamps, a new test method for spatial light intensity is proposed. A data model, which can automatically align the spatial light intensity of a lamp, has been established. The structure and principle of the system for automatically measuring the spatial light intensity are introduced. The threedimensional figures of spatial light intensity were drawn with a 2D scanning system and a dedicated test softwave (Matlab). With the technology we can rapidly derive the lightintensity distribution in x and y axes, and the divergence angle of the lamp. An example of measuring a projection lamp is given in details. The ideal results, among which the peak light intensity is 2634.4 cd and the divergence angle is 15.25°， are acquired in the experiment while a lamp is 5m away from the detector of the system.
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