A synthetic method of solar spectrum based on LED

Ji-qiang Wang; Shi Su; Guo-yu Zhang; Jian Zhang

doi:10.1117/12.2283120

24 October 2017 A synthetic method of solar spectrum based on LED

Ji-qiang Wang, Shi Su, Guo-yu Zhang, Jian Zhang

Proceedings Volume 10461, AOPC 2017: Optical Spectroscopy and Imaging; 104610I (2017) https://doi.org/10.1117/12.2283120
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

A synthetic method of solar spectrum which based on the spectral characteristics of the solar spectrum and LED, and the principle of arbitrary spectral synthesis was studied by using 14 kinds of LED with different central wavelengths.The LED and solar spectrum data were selected by Origin Software firstly, then calculated the total number of LED for each center band by the transformation relation between brightness and illumination and Least Squares Curve Fit in Matlab.Finally, the spectrum curve of AM1.5 standard solar spectrum was obtained. The results met the technical indexes of the solar spectrum matching with ±20% and the solar constant with >0.5.

Citation Download Citation

Ji-qiang Wang, Shi Su, Guo-yu Zhang, and Jian Zhang "A synthetic method of solar spectrum based on LED", Proc. SPIE 10461, AOPC 2017: Optical Spectroscopy and Imaging, 104610I (24 October 2017); https://doi.org/10.1117/12.2283120

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