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Department薄膜光学相机总体室
Optical design of diffractive telescope system based on off-axis three mirror
He, Chuanwang; Huang, Peng; Dong, Xiaochun; Fan, Bin
Source PublicationProceedings of SPIE - 9TH INTERNATIONAL SYMPOSIUM ON ADVANCED OPTICAL MANUFACTURING AND TESTING TECHNOLOGIES: LARGE MIRRORS AND TELESCOPES
Volume10837
Pages108370K
2018
Language英语
ISSN0277-786X
DOI10.1117/12.2505811
Indexed BySCI
WOS IDWOS:000459720200019
SubtypeC
AbstractDiffractive telescope has the advantages of lightweight and loose tolerance, so it can become the next generation space telescope. In order to realize no central obscuration, compact structure and large field of view (FOV), the off-axis three mirror is used as eyepiece in diffractive telescope system. According to the Schupmann's achromatic theory, an optical design example of diffractive telescope with 0.8m aperture of objective lens, 0.46 similar to 0.54 mu m spectral bandwidth and 0.08 degrees FOV is presented. By using the function of coordinate break in optical design software ZEMAX, an unobscured diffractive telescope system based on off-axis three mirror eyepiece is realized. After optimized original structure parameters, the diffractive telescope system has a good performance with 39.1m short total length. Here, at the spatial frequency of 50lp/mm, the values of modulation transfer function (MTF) within full FOV are greater than 0.574. Furthermore, the values of RMS radius are less than airy radius diameter. The optimized results clearly show that the system is achromatic and near diffraction limited imaging quality.
KeywordDiffractive telescope Off-axis three mirror Schupmann Optical design Image analysis
WOS KeywordADAPTIVE OPTICS
Conference Name9th International Symposium on Advanced Optical Manufacturing and Testing Technologies - Large Mirrors and Telescopes9th International Symposium on Advanced Optical Manufacturing and Testing Technologies - Large Mirrors and Telescopes
Conference DateJUN 26-29, 2018JUN 26-29, 2018
Conference PlaceChengdu, PEOPLES R CHINAChengdu, PEOPLES R CHINA
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Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9137
Collection薄膜光学相机总体室
Recommended Citation
GB/T 7714
He, Chuanwang,Huang, Peng,Dong, Xiaochun,et al. Optical design of diffractive telescope system based on off-axis three mirror[C],2018:108370K.
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