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Chinese Journal of Lasers, Volume. 48, Issue 20, 2001001(2021)

High-Efficiency and High-Pulse-Energy 1197 nm Laser Based on Stimulated Raman Scattering

Chunqi Fang1,2, Guangli Yu2, Jianyong Ding1,2, Binbin Li2, Gaolong Li2, Jun Zhou2, Xiaolei Zhu3, and Wei Wei1、*
Author Affiliations
  • 1College of Electronic and Optical Engineering, College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210046, China
  • 2Advanced All Solid State Laser Technology R&D Center, Nanjing Institute of Advanced Laser Technology, Nanjing, Jiangsu 210046, China;
  • 3Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
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    Structural schematic of laser device

    Fig. 1. Structural schematic of laser device

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    Structural schematic of Ba(NO3)2 module

    Fig. 2. Structural schematic of Ba(NO3)2 module

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    Output characteristics of 1064 nm laser. (a) Output energy at different cavity lengths (inset: wavelength of laser at the maximum output energy); (b) pulse width (inset: beam image)

    Fig. 3. Output characteristics of 1064 nm laser. (a) Output energy at different cavity lengths (inset: wavelength of laser at the maximum output energy); (b) pulse width (inset: beam image)

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    Output characteristics of 1197 nm laser. (a) Output energy of 1197 nm laser at different output mirror transmittance(inset: beam image at 137 mJ); (b) conversion efficiency of 1197 nm laser

    Fig. 4. Output characteristics of 1197 nm laser. (a) Output energy of 1197 nm laser at different output mirror transmittance(inset: beam image at 137 mJ); (b) conversion efficiency of 1197 nm laser

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    Output characteristic of 1197 nm laser. (a) Wavelength; (b) pulse width

    Fig. 5. Output characteristic of 1197 nm laser. (a) Wavelength; (b) pulse width

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    Energy stability and picture of laser. (a) Energy stability within 1 h; (b) picture

    Fig. 6. Energy stability and picture of laser. (a) Energy stability within 1 h; (b) picture

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    Chunqi Fang, Guangli Yu, Jianyong Ding, Binbin Li, Gaolong Li, Jun Zhou, Xiaolei Zhu, Wei Wei. High-Efficiency and High-Pulse-Energy 1197 nm Laser Based on Stimulated Raman Scattering[J]. Chinese Journal of Lasers, 2021, 48(20): 2001001

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    Paper Information

    Category: laser devices and laser physics

    Received: Dec. 31, 2020

    Accepted: Mar. 16, 2021

    Published Online: Sep. 14, 2021

    The Author Email: Wei Wei (weiwei@njupt.edu.cn)

    DOI:10.3788/CJL202148.2001001

    Topics

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