Bandwidth correction for LED chromaticity based on Levenberg-Marquardt algorithm

被引：0
|
作者：
Huang, Chan [1 ]
Jin, Shiqun [1 ]
Xia, Guo [1 ]
机构：
[1] Hefei Univ Technol, Acad Photoelect Technol, Natl Key Lab Adv Display Technol,Key Lab Special, Minist Educ,Natl Engn Lab Special Display Technol, Hefei 230009, Anhui, Peoples R China
来源：
AOPC 2017: OPTICAL SPECTROSCOPY AND IMAGING | 2017年 / 10461卷
关键词：
Spectrum analysis; Spectrometers and spectroscopic instrumentation; Metrology; SPECTROMETER; SPECTRA; NOISE;
D O I：
10.1117/12.2285031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Light emitting diode (LED) is widely employed in industrial applications and scientific researches. With a spectrometer, the chromaticity of LED can be measured. However, chromaticity shift will occur due to the broadening effects of the spectrometer. In this paper, an approach is put forward to bandwidth correction for LED chromaticity based on Levenberg-Marquardt algorithm. We compare chromaticity of simulated LED spectra by using the proposed method and differential operator method to bandwidth correction. The experimental results show that the proposed approach achieves an excellent performance in bandwidth correction which proves the effectiveness of the approach. The method has also been tested on true blue LED spectra.
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页数：6
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