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LIU Song-kun, LIU Zhi-ying. Design and analysis of the Galileo-type Monocentric multiscale system[J]. Chinese Optics. doi: 10.37188/CO.2023-0238
Citation: LIU Song-kun, LIU Zhi-ying. Design and analysis of the Galileo-type Monocentric multiscale system[J]. Chinese Optics. doi: 10.37188/CO.2023-0238

Design and analysis of the Galileo-type Monocentric multiscale system

doi: 10.37188/CO.2023-0238
Funds:  Supported by National Natural Science Foundation of China (No. 52120809); Jilin Scientific and Technological Development Program (No. 20200401055GX), China.
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  • Corresponding author: lzycccccc@126.com
  • Received Date: 28 Dec 2023
  • Accepted Date: 15 Apr 2024
  • Available Online: 10 May 2024
  • Monocentric multiscale systems offer the advantages of miniaturization and large field of view. In order to further realize the miniaturization and lightweight of the large-field-of-view system, this paper adopts the Galileo-type monocentric multiscale system form and designs a monocentric multiscale system operating in the visible spectrum.The modulation transfer function curve of the system is greater than 0.3 at a frequency of 208 lp/mm, and the root-mean-square radius of the full-field diffuse spot is smaller than the detector pixel size of 2.4$ \mathbf{\mu } $m, and the imaging quality is close to the diffraction limit. Due to the special characteristics of the monocentric multiscale system structure, in which the relay lens are closely arranged, the crosstalk stray light between the relay lens seriously affects the imaging quality, this paper adopts the method of suppressing the crosstalk stray light with the stary light stop, and carry out the simulation and analysis of the stray light of the optical system, and the analysis results show that the stray light coefficients are all reduced to less than 1×10−6 after the addition of the stray light stop, which validates the crosstalk stray light suppression method validation. It is used as a refer ence for monocentric multiscale systems optimization and design.


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