• Acta Optica Sinica
  • Vol. 45, Issue 5, 0523001 (2025)
Haidong Miao1,2, Jianwei Jiang3, and Jing Wu1,*
Author Affiliations
  • 1College of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu , China
  • 2College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong , China
  • 3College of Sciences, Jiangsu University of Science and Technology, Zhenjiang 212100, Jiangsu , China
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    DOI: 10.3788/AOS241795 Cite this Article Set citation alerts
    Haidong Miao, Jianwei Jiang, Jing Wu. Influence of Bonding Structure and Pumping Optical Parameters on Thermal Effects in Ho∶YAG Laser Crystals[J]. Acta Optica Sinica, 2025, 45(5): 0523001 Copy Citation Text show less
    Single-end pulse pumped double-end bonded Ho∶YAG model
    Fig. 1. Single-end pulse pumped double-end bonded Ho∶YAG model
    Gaussian intensity distribution inside single-end pulse pumped double-end bonded Ho∶YAG crystal
    Fig. 2. Gaussian intensity distribution inside single-end pulse pumped double-end bonded Ho∶YAG crystal
    Transient temperature field distributions of non-bonded and double-end bonded Ho∶YAG crystals. (a) Non-bonded; (b) double-end bonded
    Fig. 3. Transient temperature field distributions of non-bonded and double-end bonded Ho∶YAG crystals. (a) Non-bonded; (b) double-end bonded
    Temperature field distributions of double-end bonded Ho∶YAG crystal with different pump power. (a) 15 W; (b) 20 W; (c) 25 W
    Fig. 4. Temperature field distributions of double-end bonded Ho∶YAG crystal with different pump power. (a) 15 W; (b) 20 W; (c) 25 W
    Temperature field distributions of double-end bonded Ho∶YAG crystal with different waist radii. (a) 200 μm; (b) 250 μm; (c) 300 μm
    Fig. 5. Temperature field distributions of double-end bonded Ho∶YAG crystal with different waist radii. (a) 200 μm; (b) 250 μm; (c) 300 μm
    Temperature field distributions of double-end bonded Ho∶YAG crystal with different repetition rates. (a) 150 Hz; (b) 200 Hz; (c) 250 Hz
    Fig. 6. Temperature field distributions of double-end bonded Ho∶YAG crystal with different repetition rates. (a) 150 Hz; (b) 200 Hz; (c) 250 Hz
    ParameterValue
    Pump power /W10
    Pump beam waist radius /μm400
    Pumping light repetition rate /Hz100
    Pulse width /ms4
    Ho∶YAG crystal doping concentration /%3.5
    Ho∶YAG crystal length/cm0.8
    Ho∶YAG crystal radius/cm0.3
    Table 1. Parameters used to simulate optical field distribution
    ParameterValue
    Thermal conductivity /(W·cm-1·K-10.14
    Heat transfer coefficient of air /(W·cm-2·K-10.5×10-4
    Density /(kg·m-34570
    Specific heat capacity/ (J·kg-1·K-1590
    Non-bonded Ho∶YAG crystal size /(mm3Φ6×8
    Double-end bonded Ho∶YAG crystal size /(mm3Φ6×(3+8+3)
    Initial temperature /℃22
    Table 2. Parameters used to simulate the temperature
    Haidong Miao, Jianwei Jiang, Jing Wu. Influence of Bonding Structure and Pumping Optical Parameters on Thermal Effects in Ho∶YAG Laser Crystals[J]. Acta Optica Sinica, 2025, 45(5): 0523001
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