• Infrared and Laser Engineering
  • Vol. 50, Issue 4, 20200127 (2021)
Peibei Meng, Wenzong Shi, Shuo Jiang, Ming Qi, Yongtao Deng, and Xu Li
Author Affiliations
  • Key Laboratory for Space Laser Information Perception Technology of CAST, Beijing Institute of Space Mechanics & Electricity,Beijing 100094, China
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    DOI: 10.3788/IRLA20200127 Cite this Article
    Peibei Meng, Wenzong Shi, Shuo Jiang, Ming Qi, Yongtao Deng, Xu Li. Influence of Gaussian mirror parameters on LD-pumped Nd:YAG laser[J]. Infrared and Laser Engineering, 2021, 50(4): 20200127 Copy Citation Text show less
    Diagram of experimental setup
    Fig. 1. Diagram of experimental setup
    Influence of X on energy and pulse width: (a) state1; (b) state2
    Fig. 2. Influence of X on energy and pulse width: (a) state1; (b) state2
    Influence of X on divergence for M21
    Fig. 3. Influence of X on divergence for M21
    Comparison of output performance: (a) Eout and τ; (b) θ and D
    Fig. 4. Comparison of output performance: (a) Eout and τ; (b) θ and D
    Far field beam distribution: (a) M21; (b) M22; (c) M23; (d) M24; (e) M25
    Fig. 5. Far field beam distribution: (a) M21; (b) M22; (c) M23; (d) M24; (e) M25
    Performance with M24 as output coupler: (a) pulse trace; (b) near field beam distribution
    Fig. 6. Performance with M24 as output coupler: (a) pulse trace; (b) near field beam distribution
    ParameterM21M22M23M24M25
    ω02.5 mm2.75 mm3 mm2.75 mm
    R030%30%30%20%30%
    Table 1. [in Chinese]
    DirectionM21M22M23M24
    X3.8 mm3.6 mm3.7 mm3.7 mm
    Y5.1 mm5 mm3.7 mm5.3 mm
    Table 2. [in Chinese]
    Output mirrorStateEnergy/mJPulse width/ns
    M21state1106.3-104.27.2-9.6 (33%)
    state2106.5-99.1 (7%)~7.2
    M22state1128-126.67.3-9 (23%)
    state2128.2-121 (6%)~7.2
    M23state1~1277.3-8.3 (14%)
    state2128.2-123.6 (5%)~7.3
    M24state1~917.3-7.9 (3%)
    state291.4-88.6 (3%)~7.7
    Table 3. [in Chinese]
    ParameterM21M22M23M24M25
    Eout /mJ 128.3128.2127.2128128.1
    Epump/mJ 1020856856984802
    η12.6%15%14.9%13%16%
    τ/ns 77.27.57.37.3
    θ/mrad 1.311.341.481.221.5
    D/mm 5.25.25.55.15.7
    Table 4. [in Chinese]
    Peibei Meng, Wenzong Shi, Shuo Jiang, Ming Qi, Yongtao Deng, Xu Li. Influence of Gaussian mirror parameters on LD-pumped Nd:YAG laser[J]. Infrared and Laser Engineering, 2021, 50(4): 20200127
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