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Chinese Journal of Lasers, Volume. 48, Issue 20, 2001003(2021)

Frequency degeneracy of transverse modes in Nd∶YVO4 lasers

Da Lin1,2, Jing Wang1,2, Bingxuan Li1, Wenbin Liao1, Zhanglang Lin1, Kaifei Tang1,3, Ke Li1,2, and Ge Zhang1、*
Author Affiliations
  • 1Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
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    Schematic of experimental setup

    Fig. 1. Schematic of experimental setup

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    Laser frequency signals measured in the experiment and their theoretical values. Line indicates theoretical value and scatter indicates experimental value

    Fig. 2. Laser frequency signals measured in the experiment and their theoretical values. Line indicates theoretical value and scatter indicates experimental value

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    Schematic of frequency degeneracy in 1/2 degenerate state

    Fig. 3. Schematic of frequency degeneracy in 1/2 degenerate state

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    Beam intensity distribution at different cavity lengths

    Fig. 4. Beam intensity distribution at different cavity lengths

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    Frequency spectra of output laser beams in the vicinity of 1.5 GHz at different cavity lengths. (a) L=47.25 mm; (b) L=48.25 mm; (c) L=49.85 mm; (d) L=50.35 mm; (e) L=50.65 mm; (f) L=50.85 mm; (g) L=51.25 mm; (h) L=52.25 mm; (j) L=54.25 mm

    Fig. 5. Frequency spectra of output laser beams in the vicinity of 1.5 GHz at different cavity lengths. (a) L=47.25 mm; (b) L=48.25 mm; (c) L=49.85 mm; (d) L=50.35 mm; (e) L=50.65 mm; (f) L=50.85 mm; (g) L=51.25 mm; (h) L=52.25 mm; (j) L=54.25 mm

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    Da Lin, Jing Wang, Bingxuan Li, Wenbin Liao, Zhanglang Lin, Kaifei Tang, Ke Li, Ge Zhang. Frequency degeneracy of transverse modes in Nd∶YVO4 lasers[J]. Chinese Journal of Lasers, 2021, 48(20): 2001003

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    Paper Information

    Category: laser devices and laser physics

    Received: Feb. 24, 2021

    Accepted: Mar. 29, 2021

    Published Online: Sep. 8, 2021

    The Author Email: Zhang Ge (zhg@fjirsm.ac.cn)

    DOI:10.3788/CJL202148.2001003

    Topics

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