阵列光谱辐射计非线性对激光和LED光源色度坐标的影响

Q4 Engineering

Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi) Pub Date : 2021-05-01 DOI:10.2150/JIEIJ.20000595

M. Tanabe, K. Godo, H. Shitomi

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引用次数: 0

摘要

考虑阵列光谱辐射计的非线性特性在光度学、辐射学和比色学等领域具有重要意义。对两种商用阵列光谱辐射计的非线性特性进行了研究，发现其最大非线性特性为24%。利用基于发光二极管和激光二极管的三种白光光源，研究了这些阵列光谱辐射计测量色度坐标(x, y)时由于非线性引起的误差。结果表明，24%的非线性导致色度坐标的变化可达0.018。对光谱辐射计进行非线性校正将使我们能够获得光源的精确比色数据。

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Changes in Chromaticity Coordinates of Laser and LED Light Sources Due to Nonlinearity of Array Spectroradiometers

Consideration of nonlinearity properties of array-spectroradiometers is important in the ﬁelds of photometry, radiometry, and colorimetry. The nonlinearity properties of two commercial array-spectroradiometers were investigated, and the maxi-mum nonlinear behavior of 24 % was observed. The errors in the measurement of chromaticity coordinates ( x , y ) by these array-spectroradiometers due to the nonlinearity were investigated using three white light sources based on light emitting diodes and laser diodes. It was found that 24 % nonlinearity caused the change of chromaticity coordinates up to 0.018. Correction of a spectroradiometer with respect to the nonlinearity would enable us to obtain accurate colorimetric data for light sources.

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来源期刊

Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi) Engineering-Electrical and Electronic Engineering

CiteScore

0.10

自引率

0.00%

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