• Infrared and Laser Engineering
  • Vol. 50, Issue 4, 20200242 (2021)
Wenwen Liu1, Wei Su2、3、*, Wenhao Luo2、3, Jianke Li3, and Renhuai Liu2、3
Author Affiliations
  • 1School of Mechanics & Safety Engineering, Zhengzhou University, Zhengzhou 450001, China
  • 2MOE Key Lab of Disaster Forecast and Control in Engineering, Jinan University, Guangzhou 510632, China
  • 3Science and Technology on Reliability Physics and Application Technology of Electronic Component Laboratory, China Electronic Product Reliability and Environmental Testing Research Institute, Guangzhou 510610, China
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    DOI: 10.3788/IRLA20200242 Cite this Article
    Wenwen Liu, Wei Su, Wenhao Luo, Jianke Li, Renhuai Liu. Vibration reliability of mid-infrared solid laser[J]. Infrared and Laser Engineering, 2021, 50(4): 20200242 Copy Citation Text show less
    Mid-infrared solid laser physical core structure
    Fig. 1. Mid-infrared solid laser physical core structure
    The first vibration mode displacement nephogram
    Fig. 2. The first vibration mode displacement nephogram
    Sample installation
    Fig. 3. Sample installation
    Test procedure
    Fig. 4. Test procedure
    Response curve of a measuring point
    Fig. 5. Response curve of a measuring point
    Frequency response function curve and stability diagram
    Fig. 6. Frequency response function curve and stability diagram
    Orthogonality test of vibration mode(MAC matrix)
    Fig. 7. Orthogonality test of vibration mode(MAC matrix)
    The first vibration mode contrast
    Fig. 8. The first vibration mode contrast
    Harmonic response of optical crystal assembly under the condition of vehicle frequency sweeping vibration
    Fig. 9. Harmonic response of optical crystal assembly under the condition of vehicle frequency sweeping vibration
    Schematic diagram of Z-direction displacement and excitation frequency
    Fig. 10. Schematic diagram of Z-direction displacement and excitation frequency
    OrderNatural frequency/Hz(Simulation)Natural frequency/Hz(Test)Mode description(Simulation,Test)
    1178.236166.142Top core area asymmetric side swing
    2567.278480.670Top core area side twist
    3932.786873.262Front second-order asymmetric side swing
    41504.81473.912Front heat dissipation area side swing
    Table 1. [in Chinese]
    Wenwen Liu, Wei Su, Wenhao Luo, Jianke Li, Renhuai Liu. Vibration reliability of mid-infrared solid laser[J]. Infrared and Laser Engineering, 2021, 50(4): 20200242
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