Chinese Optics, Volume. 16, Issue 3, 535(2023)

Assembling and test method for main focus survey telescope based on curvature sensing

Qi-chang AN1,2、*, Xiao-xia WU1,2, Hong-wen LI1,2, and Yu-qi CAI3
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • 2Jilin Provincial Key Laboratory of Intelligent Wavefront Sensing and Control, Changchun 130033, China
  • 3Harbin Institute of Technology, Harbin 150001, China
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    Figures & Tables(7)
    Schematic diagram of curvature sensing
    Time and spatial resolution of wavefront sensor measurement
    Wavefront restoration accuracy verification experiment results. (a) Pre-focal light intensity distribution; (b) light intensity distribution of extra focus; (c) reconstructed wavefront; (d) original wavefront
    Wavefront perception under the influence of 1-μm Jitter. (a) Pre-focal light intensity distribution; (b) light intensity distribution of extra focus; (c) reconstructed wavefront; (d) comparison of reconstructed wavefront and original wavefront
    The defocus donut and system wavefront under rotation around the offset point. (a) First corrected defocus donut; (b) second corrected defocus donut; (c) third corrected defocus donut; (d) first corrected system wavefront; (e) second corrected system wavefront; (f) third corrected system wavefront
    Verification platform using single lens and its verification results. (a) Schematic diagram of optical path; (b) experimental set up diagram; (c) inter focus intensity distribution; (d) extra focus intensity distribution; (e) wavefront solution results; (f) low order aberration estimation
    Verification results of field experiment. (a) Intensity distribution of intra focus; (b) intensity distribution of extra focus; (c) wavefront solution results
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    Qi-chang AN, Xiao-xia WU, Hong-wen LI, Yu-qi CAI. Assembling and test method for main focus survey telescope based on curvature sensing[J]. Chinese Optics, 2023, 16(3): 535

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    Paper Information

    Category: Original Article

    Received: Jan. 6, 2023

    Accepted: --

    Published Online: May. 31, 2023

    The Author Email:

    DOI:10.37188/CO.2023-0010

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