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High-quality and large-area echelle grating ruled on 500-mm ruling engine for the fiber array solar optical telescope (FASOT)

文献类型：期刊论文

作者X. Mi; X. Qi; S. Zhang; H. Yu; S. Jiang and J. Zhou
刊名Optics Express
出版日期2021
卷号29期号:23页码:38268-38279
ISSN号10944087
DOI10.1364/OE.440020
英文摘要A 300 mm500 mm large-area echelle grating with groove density of 79 grooves/mm is fabricated for the spectrometer of the fiber array solar optical telescope (FASOT). This paper focusses on measurement methods of the grating performance. We present a method to evaluate the gratings stray light intensity, which is measured to a level of 104. The directly measured grating efficiency is approximately 90% of the designed value, and an indirect measurement method based on the grating groove profile is proposed. Based on the Rayleigh criterion and the grating diffraction wavefront, a physical optics method and a geometric grating method are proposed and are used to calculate the actual grating resolving power; the calculated results exceed 95% of the gratings theoretical resolving power. These results show that the CIOMP-6 ruling engine has sufficient precision to fabricate high-quality, large-area echelle gratings. 2021 Optical Society of America
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源URL[http://ir.ciomp.ac.cn/handle/181722/65303]  
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		 X. Mi,X. Qi,S. Zhang,et al. High-quality and large-area echelle grating ruled on 500-mm ruling engine for the fiber array solar optical telescope (FASOT)[J]. Optics Express,2021,29(23):38268-38279.
APA X. Mi,X. Qi,S. Zhang,H. Yu,&S. Jiang and J. Zhou.(2021).High-quality and large-area echelle grating ruled on 500-mm ruling engine for the fiber array solar optical telescope (FASOT).Optics Express,29(23),38268-38279.
MLA X. Mi,et al."High-quality and large-area echelle grating ruled on 500-mm ruling engine for the fiber array solar optical telescope (FASOT)".Optics Express 29.23(2021):38268-38279.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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