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Laser & Optoelectronics Progress, Volume. 55, Issue 3, 030104(2018)

Influence of Adhesive Materials on Stress Characteristics of Deformable Mirrors Under Thermo-Mechanical Coupling

Jiaqiu Wang, Shuai Luo, and Bin Zhang*
Author Affiliations
  • College of Electronics and Information Engineering, Sichuan University, Chengdu, Sichuan 610065, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (30)
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    Figures & Tables(11)
    (a) Structure of DM; (b) finite element model of DM

    Fig. 1. (a) Structure of DM; (b) finite element model of DM

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    Flow chart of stress analysis under thermal-mechanical coupling

    Fig. 2. Flow chart of stress analysis under thermal-mechanical coupling

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    (a) Distorted wavefront and (b) fitting surface shape of DM without adhesive material

    Fig. 3. (a) Distorted wavefront and (b) fitting surface shape of DM without adhesive material

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    Stress distribution nephograms of DM under thermal-mechanical coupling without adhesive material. (a) Front surface; (b) rear surface; (c) position at maximum stress

    Fig. 4. Stress distribution nephograms of DM under thermal-mechanical coupling without adhesive material. (a) Front surface; (b) rear surface; (c) position at maximum stress

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    Fitting wavefront of DM with adhesive material

    Fig. 5. Fitting wavefront of DM with adhesive material

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    Stress distribution nephograms of DM with adhesive material. (a) Front surface; (b) rear surface; (c) position at maximum stress

    Fig. 6. Stress distribution nephograms of DM with adhesive material. (a) Front surface; (b) rear surface; (c) position at maximum stress

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    Stress distribution nephograms of DM with adhesive material Ⅱ. (a) Front surface; (b) rear surface; (c) position at maximum stress

    Fig. 7. Stress distribution nephograms of DM with adhesive material Ⅱ. (a) Front surface; (b) rear surface; (c) position at maximum stress

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    Stress distribution nephograms of DM with adhesive material Ⅲ. (a) Front surface; (b) rear surface; (c) position at maximum stress

    Fig. 8. Stress distribution nephograms of DM with adhesive material Ⅲ. (a) Front surface; (b) rear surface; (c) position at maximum stress

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    Effect of adhesive layer thickness on maximum stress value of DM with different adhesive materials

    Fig. 9. Effect of adhesive layer thickness on maximum stress value of DM with different adhesive materials

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    • Table 1. Thermo-physical parameters of DM

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      Table 1. Thermo-physical parameters of DM

      MaterialDensity /(kg·m-3)Specificheat /(J·kg-1·K-1)Heatconductivity /(W·m-1·K-1)Thermalexpansioncoefficient /(10-6 K-1)Young'smodulus /GPaPoisson'sratio
      Si2329703146.0004.20131.000.28
      YbF381503610.05118.9075.790.28
      ZnS408019270.1907.1074.500.29
      Material Ⅰ157010000.8503.000120.000.28
      Material Ⅱ20009600.8505.3248.000.30
      Material Ⅲ15709720.72030.00126.000.33

    • Table 2. Maximum stress and deformation range of DM with different adhesive materials

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      Table 2. Maximum stress and deformation range of DM with different adhesive materials

      Type of materialDeformation range ofDM /μmMaximum stress in frontsurface of DM /MPaMaximum stress inrear surface of DM /MPa
      Ⅰ-6.23-4.3612.0033.60
      Ⅱ-6.19-4.3511.9022.70
      Ⅲ-6.05-4.5412.1057.90
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    Jiaqiu Wang, Shuai Luo, Bin Zhang. Influence of Adhesive Materials on Stress Characteristics of Deformable Mirrors Under Thermo-Mechanical Coupling[J]. Laser & Optoelectronics Progress, 2018, 55(3): 030104

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    Paper Information

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    Received: Aug. 19, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Zhang Bin (zhangbinff@sohu.com)

    DOI:10.3788/LOP55.030104

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology