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Dynamic spectral compensation of white LEDs in underwater illumination
Optical Engineering ( IF 1.3 ) Pub Date : 2021-07-01 , DOI: 10.1117/1.oe.60.9.091506
Tsung-Xian Lee, Yi-Ming Li, Jian-Yu Shen, Chih-Hsuan Tsuei

Based on Mie scattering and Monte Carlo ray tracing method, the spectral transmission behavior of visible light in the seawater is estimated. Its optical model is constructed for the fast and accurate prediction of light quality changes of phosphor-based white LED underwater illumination with distance. Because of this, we propose to add a dual-wavelength LED to the original white LED, which would perform spectrum compensation at each illumination distance to restore its good light quality. The result shows that such a dynamic light source can successfully maintain correlated color temperature at 6000 K and color rendering index above 80 under different underwater illumination distances.

中文翻译:

水下照明中白光 LED 的动态光谱补偿

基于米氏散射和蒙特卡罗射线追踪方法,估计了可见光在海水中的光谱传输行为。其光学模型旨在快速准确地预测基于磷光体的白光 LED 水下照明随距离的光质量变化。因此,我们建议在原有的白光 LED 基础上增加一个双波长 LED,在每个照明距离处进行光谱补偿,以恢复其良好的光质量。结果表明,这种动态光源可以在不同的水下照明距离下成功地保持6000 K的相关色温和80以上的显色指数。
更新日期:2021-09-01
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