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Acta Optica Sinica, Volume. 44, Issue 7, 0716002(2024)

Numerical Simulation of Temperature Distribution in End-Pumped Nd∶YAG with Uniform and Gradient Dopants of Nd3+

Fangfang Ruan1, Fangying Tang2, Jinhong Wang2, Lü Yanfei2, Jiawei Li2, Xinxin Wang2, Yuhui Yan2, Liangbi Su3、*, and Lihe Zheng2、**
Author Affiliations
  • 1School of Medical Imaging, Hangzhou Medical College, Hangzhou 310053, Zhejiang , China
  • 2Key Laboratory of Yunnan Provincial Higher Education Institutions for Optoelectronics Device Engineering, School of Physics and Astronomy, Yunnan University, Kunming 650500, Yunnan , China
  • 3Artificial Crystals Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (22)
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    Figures & Tables(7)
    Schematic diagram of LD-pumped Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

    Fig. 1. Schematic diagram of LD-pumped Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

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    Temperature distribution at different positions along central axis of Nd∶YAG pump light propagation direction with (a) uniform and (b) gradient dopants of Nd3+

    Fig. 2. Temperature distribution at different positions along central axis of Nd∶YAG pump light propagation direction with (a) uniform and (b) gradient dopants of Nd3+

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    3D visualization of temperature distribution along central axis of Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

    Fig. 3. 3D visualization of temperature distribution along central axis of Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

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    Temperature distribution along radius direction of Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

    Fig. 4. Temperature distribution along radius direction of Nd∶YAG with (a) uniform and (b) gradient dopants of Nd3+

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    • Table 1. Physical parameters of Nd∶YAG in stable thermal numerical simulation

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      Table 1. Physical parameters of Nd∶YAG in stable thermal numerical simulation

      ParameterAperture A /（mm×mm）Density ρ /（g·cm-3）Thermal conductivity κ /（W·m-1·K-1）Heat capacity Cp /（J·kg-1·K-1）
      Value10×104.5614590

    • Table 2. Pump laser parameters in stable thermal numerical simulation

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      Table 2. Pump laser parameters in stable thermal numerical simulation

      Parameterwr /mmPin /kWf /HzTCu /℃
      Value0.51000100015

    • Table 3. Absorption coefficientsof Nd∶YAG in stable thermal numerical simulation

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      Table 3. Absorption coefficientsof Nd∶YAG in stable thermal numerical simulation

      (a) Gradient Nd∶YAG(b) Bulk Nd∶YAG
      Symbolα1α2α3α4αbulk
      Absorption coefficient1.52.13.39.75.8
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    Fangfang Ruan, Fangying Tang, Jinhong Wang, Lü Yanfei, Jiawei Li, Xinxin Wang, Yuhui Yan, Liangbi Su, Lihe Zheng. Numerical Simulation of Temperature Distribution in End-Pumped Nd∶YAG with Uniform and Gradient Dopants of Nd3+[J]. Acta Optica Sinica, 2024, 44(7): 0716002

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    Paper Information

    Category: Materials

    Received: Dec. 16, 2023

    Accepted: Jan. 21, 2024

    Published Online: Apr. 11, 2024

    The Author Email: Su Liangbi (suliangbi@mail.sic.ac.cn), Zheng Lihe (zhenglihe@ynu.edu.cn)

    DOI:10.3788/AOS231944

    Topics

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