Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism | |
Xu, Li ; Chen, Kexin ; He, Qingsheng ; Jin, Guofan | |
2010-10-12 ; 2010-10-12 | |
关键词 | AXIS PARABOLIC-MIRRORS HIGH-RESOLUTION Optics |
中文摘要 | Astigmatism is left uncorrected in traditional Czerny-Turner spectrometers with spherical mirrors, which leads to low throughput of modem instruments applying line-array detectors. By gradually varying the sagittal curvature, freeform mirrors are introduced to suppress astigmatism for a wide wavelength range simultaneously. So as not to reduce spectrum resolution, further calculations of the light path are performed for extra coma compensation. A design example is presented with optimized parameters. The ray-tracing result has revealed a reduction in sagittal spot size from several hundred micrometers to around 10 mu m in the wavelength range from 200 nm to 800 nm. (C) 2009 Optical Society of America |
语种 | 英语 ; 英语 |
出版者 | OPTICAL SOC AMER ; WASHINGTON ; 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA |
内容类型 | 期刊论文 |
源URL | [http://hdl.handle.net/123456789/80412] ![]() |
专题 | 清华大学 |
推荐引用方式 GB/T 7714 | Xu, Li,Chen, Kexin,He, Qingsheng,et al. Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism[J],2010, 2010. |
APA | Xu, Li,Chen, Kexin,He, Qingsheng,&Jin, Guofan.(2010).Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism.. |
MLA | Xu, Li,et al."Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism".(2010). |
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