Volume 16 Issue 6
Nov.  2023
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WU Qing, SHI Guang-wei, ZHANG Jian-ping, ZHAO Shang-nan, ZHANG Xin. Design of catadioptric anamorphic optical system[J]. Chinese Optics, 2023, 16(6): 1376-1383. doi: 10.37188/CO.2023-0035
Citation: WU Qing, SHI Guang-wei, ZHANG Jian-ping, ZHAO Shang-nan, ZHANG Xin. Design of catadioptric anamorphic optical system[J]. Chinese Optics, 2023, 16(6): 1376-1383. doi: 10.37188/CO.2023-0035

Design of catadioptric anamorphic optical system

doi: 10.37188/CO.2023-0035
Funds:  Supported by Youth Project of National Natural Science Foundation of China (No. 62005271); “Optical Technology Database” in National Basic Science Data Center (No. NBSDC-DB-02)
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  • Corresponding author: zhjpy@ciomp.ac.cn
  • Received Date: 22 Feb 2023
  • Rev Recd Date: 15 Mar 2023
  • Available Online: 18 Jul 2023
  • The anamorphic optical system has a two-plane symmetry, with different focal lengths in the two symmetry planes. This system can obtain a wider field of view when using sensors with conventional size. We propose a method for designing catadioptric anamorphic optical systems based on their first-order aberration characteristics. A catadioptric anamorphic optical system is designed by using a biconic surface, with a focal length of 500 mm in the XOZ plane and 1000 mm in the YOZ plane. The system’s F-number is 10, and the full field angle is 1°×1°. The mean value of the full field of view MTF of the system is higher than 0.3 at 80 lp/mm. The overall structure of the system is compact, and the imaging quality is excellent.

     

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