The Research on LED-based Spectrally Tunable Light Source for Star Simulator

被引：0
|
作者：
Zhang Xiaojuan [1 ]
Zhang Guoyu [1 ]
Zhang Jian [1 ]
机构：
[1] Changchun Univ Sci & Technol, Changchun 130022, Peoples R China
来源：
2013 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTICAL SYSTEMS AND MODERN OPTOELECTRONIC INSTRUMENTS | 2013年 / 9042卷
关键词：
star simulator; LED; tunable light source; spectral simulation; least square algorithm; spectral fitting; color temperature simulation;
D O I：
10.1117/12.2037460
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to meet the requirements of multi-color temperature, high precision and wide spectrum, a large number of LED in different colors are used as internal light source for an integrating sphere. An asymmetric Gaussian function model is established to realize non-uniform spectral peak intervals. The research aims to find the desired spectral distribution of LED and the number in use through specific properties of the target spectrum to improve the obtained original fitting model. Simulation of spectral curve of specific color temperature can be realized through the simulation of standard blackbody spectral curve. The result shows that matching simulation error for small band is within 12%, and matching error verified by relative area method is within 4.63%.
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页数：7
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