Author:
Tu Hua-Tian,Jiang An-Qing,Chen Jian-Ke,Lu Wei-Jie,Zang Kai-Yan,Tang Hao-Qi,Yoshie Osamu,Xiang Xiao-Dong,Lee Young-Pak,Zhao Hai-Bin,Zheng Yu-Xiang,Wang Song-You,Guo Junpeng,Zhang Rong-Jun,Li Jing,Yang Yue-Mei,Lynch W. D.,Chen Liang-Yao
Abstract
AbstractUnlike the single grating Czerny–Turner configuration spectrometers, a super-high spectral resolution optical spectrometer with zero coma aberration is first experimentally demonstrated by using a compound integrated diffraction grating module consisting of 44 high dispersion sub-gratings and a two-dimensional backside-illuminated charge-coupled device array photodetector. The demonstrated super-high resolution spectrometer gives 0.005 nm (5 pm) spectral resolution in ultra-violet range and 0.01 nm spectral resolution in the visible range, as well as a uniform efficiency of diffraction in a broad 200 nm to 1000 nm wavelength region. Our new zero-off-axis spectrometer configuration has the unique merit that enables it to be used for a wide range of spectral sensing and measurement applications.
Publisher
Springer Science and Business Media LLC
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