Optical Instruments, Volume. 47, Issue 3, 1(2025)

Design and research on optical drive rotating structure of anti-magnetic levitation pyrolytic graphite

Mingxin YU, Mingrui CAO, and Jianlang LI*
Author Affiliations
  • School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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    Figures & Tables(9)
    Structural diagram of light drive rotating structure for magnetic levitaion pyrolytic graphite
    Magnetic induction intensity distribution of levitation pyrolytic graphite in x-y plane
    Temperature distribution of pyrolytic graphite under local laser irradiation
    Force distribution and torque change of pyrolytic graphite under irradiation
    Variation of torque of pyrolytic graphite with structural parameters d and L
    Rotation direction of pyrolytic graphite under different irradiation angles
    Variation curve of rotating speed of pyrolytic graphite with irradiation angle
    The variation of rotational speed of pyrolytic graphite with optical power
    • Table 1. Relevant parameters of pyrolytic graphite used in simulation

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      Table 1. Relevant parameters of pyrolytic graphite used in simulation

      参 数数 值
      导热系数(x, y方向)/(W·m−1·K−11 000
      导热系数(z方向)/(W·m−1·K−120
      恒压热容/(J·kg−1·K−1710
      对流冷却系数/(W·m−2·K−1270
      表面发射率0.9
      密度/(g·mm−32.2
      半径/mm6.5
      厚度/μm50
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    Mingxin YU, Mingrui CAO, Jianlang LI. Design and research on optical drive rotating structure of anti-magnetic levitation pyrolytic graphite[J]. Optical Instruments, 2025, 47(3): 1

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    Paper Information

    Received: Mar. 15, 2024

    Accepted: --

    Published Online: Jul. 28, 2025

    The Author Email: Jianlang LI (lijianlang@usst.edu.cn)

    DOI:10.3969/j.issn.1005-5630.202403150051

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