Spectroscopy and Spectral Analysis, Volume. 33, Issue 6, 1706(2013)
Optical Design of High-Resolution Echelle-Prism Cross-Dispersion
Aiming at the wide-spectrum high-resolution echelle spectrometer, the dispersion characteristic of the echelle grating and the cross-dispersion principle is discussed. And an optical design method of resolution preferential echelle-prism cross-dispersion is described, including the design of high-resolution main dispersion, the auxiliary dispersion for the separation on the overlapped orders, and the main-auxiliary dispersion calibration and revision. According to the requirements of commercial spectrometer, a design example is reported. The simulation and the experiment results show that when the spectral span is 400~900 nm, the resolution for Hg 546 nm is 51 000, and that for Na 589 nm is 44 000.
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ZHANG Yin-xin, YANG Huai-dong, DENG Chao, HUANG Zhan-hua, JIN Guo-fan. Optical Design of High-Resolution Echelle-Prism Cross-Dispersion[J]. Spectroscopy and Spectral Analysis, 2013, 33(6): 1706
Received: Sep. 19, 2012
Accepted: --
Published Online: Jun. 7, 2013
The Author Email: Yin-xin ZHANG (yinxin@tju.edu.cn)