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基于非视觉和视觉效应的照明光谱重构研究

Spectral Reconfiguration of Lighting Based on Nonvisual and Visual Effects

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摘要

光是影响人体身心健康的一个重要因素。上世纪末,研究发现,夜间光照会抑制人体褪黑素分泌,进而影响人体生理节律[1-2]。2002年,Berson等[3]发现了本征感光视网膜神经节细胞(ipRGC),该发现表明除了视觉通道外,人眼中还存在非视觉通道,光通过非视觉通道参与调节人体的生理和心理功能。合理利用光的非视觉功效有助于提高夜间轮班工作者的工作效率[4],改善睡眠质量,缓解季节性情感障碍[5]。因此,照明设计时应同时兼顾视觉功效和非视觉功效,健康照明的理念由此诞生。根据视觉功效和非视觉功效的具体要求,动态重构光源的光谱,可获得更为健康、舒适的照明光环境。

Abstract

A spectral-reconfiguration solution based on nonvisual and visual effects is proposed to achieve healthy lighting. A four-channel spectrally reconfigurable calculation model that directly solves the duty cycle of pulse-width modulation according to the circadian-action factor, chromaticity coordinates, and illuminance is established. A remotely controllable and spectrally reconfigurable light-emitting-diode source is designed for experimental verification. The tunability of the circadian-action factor and color-rendering index is discussed, providing theoretical guidance for the selection of relevant parameters. Experimental results show that the relative error between the measured and theoretical values is small. Furthermore, the calculation model can guide spectral reconfiguration on the same chromaticity coordinate, achieving regulation of the circadian-action factor and color-rendering index. Therefore, the computational model can conduct spectral reconfiguration well. This study provides a useful reference for the design of healthy lighting sources for the next generation.

Newport宣传-MKS新实验室计划
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DOI:10.3788/AOS201939.1033001

所属栏目:视觉,颜色与视觉光学

基金项目:广东省科技计划、亚热带建筑科学国家重点实验室开放项目;

收稿日期:2019-02-22

修改稿日期:2019-06-21

网络出版日期:2019-10-01

作者单位    点击查看

曾伟森:华南理工大学物理与光电学院亚热带建筑科学国家重点实验室, 广东 广州 510641
郑锦泽:华南理工大学物理与光电学院亚热带建筑科学国家重点实验室, 广东 广州 510641
周晓明:华南理工大学物理与光电学院亚热带建筑科学国家重点实验室, 广东 广州 510641

联系人作者:周晓明(zhouxm@scut.edu.cn)

备注:广东省科技计划、亚热带建筑科学国家重点实验室开放项目;

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引用该论文

Weisen Zeng,Jinze Zheng,Xiaoming Zhou. Spectral Reconfiguration of Lighting Based on Nonvisual and Visual Effects[J]. Acta Optica Sinica, 2019, 39(10): 1033001

曾伟森,郑锦泽,周晓明. 基于非视觉和视觉效应的照明光谱重构研究[J]. 光学学报, 2019, 39(10): 1033001

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