Wavelength Nonlinearity of Multi-Channel Solar Spectrometer with Common Grating Rotating Axis

doi:10.3788/CJL201946.0911004

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	Wavelength Nonlinearity of Multi-Channel Solar Spectrometer with Common Grating Rotating Axis
	Z.Li; Y.Huang; S.Wang; M.Yu; G.Lin; Z.Zhang; D.Cao
	2019
发表期刊	Zhongguo Jiguang/Chinese Journal of Lasers
ISSN	02587025
卷号	46 期号:9
摘要	To improve the wavelength calibration accuracy of multi-channel grating scanning spectrometers, the principle of linear wavelength scanning of traditional single-channel grating spectrometers is first introduced. Then, the theoretical nonlinear relationship between the spectrometer's output wavelength and the moving distance of the lead screw is derived based on the common grating axis error. Given the nonlinear relationship, wavelength calibration of a prototype of Fengyun-3 solar irradiance spectrometer is performed. The results demonstrate that the calibration accuracy of the traditional calibration is 0.08 nm, and the calibration accuracy is increased to 0.03 nm by using the wavelength nonlinear formula. This result satisfies the requirements of the instrument's specifications. Thus, the wavelength nonlinear relationship of a multi-channel grating scanning spectrometer is verified. 2019, Chinese Lasers Press. All right reserved.
关键词	Spectrometers,Calibration,Lead screws,Scanning,Spectroscopy
DOI	10.3788/CJL201946.0911004
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收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/63230
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z.Li,Y.Huang,S.Wang,et al. Wavelength Nonlinearity of Multi-Channel Solar Spectrometer with Common Grating Rotating Axis[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2019,46(9).
APA	Z.Li.,Y.Huang.,S.Wang.,M.Yu.,G.Lin.,...&D.Cao.(2019).Wavelength Nonlinearity of Multi-Channel Solar Spectrometer with Common Grating Rotating Axis.Zhongguo Jiguang/Chinese Journal of Lasers,46(9).
MLA	Z.Li,et al."Wavelength Nonlinearity of Multi-Channel Solar Spectrometer with Common Grating Rotating Axis".Zhongguo Jiguang/Chinese Journal of Lasers 46.9(2019).

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