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Chinese Optics Letters, Volume. 14, Issue 1, 011402(2016)

Watt-level output rectangular-core neodymium-doped silicate glass fiber laser

Wentao Li1,2, Danping Chen1、*, Qinling Zhou1, and Lili Hu1
Author Affiliations
  • 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing, China
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    Cross section of the end face of the fiber.

    Fig. 1. Cross section of the end face of the fiber.

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    (a) Measured spectrum of the fiber laser at an output power of 1.45 W; (b) measured output power as a function of the pumping power.

    Fig. 2. (a) Measured spectrum of the fiber laser at an output power of 1.45 W; (b) measured output power as a function of the pumping power.

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    Measured divergence angles in two orthogonal directions X and Y; inset is the near-field intensity distribution of the output laser which was measured by the CCD.

    Fig. 3. Measured divergence angles in two orthogonal directions X and Y; inset is the near-field intensity distribution of the output laser which was measured by the CCD.

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    • Table 1. Detailed Physical Parameters of G1 and G2 Glasses

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      Table 1. Detailed Physical Parameters of G1 and G2 Glasses

      GlassTg (°C)T107.6 (°C)α100/300 (10−7/K)ρ (g/cm3)
      G1560734962.52
      G2580746882.51
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    Wentao Li, Danping Chen, Qinling Zhou, Lili Hu, "Watt-level output rectangular-core neodymium-doped silicate glass fiber laser," Chin. Opt. Lett. 14, 011402 (2016)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 19, 2015

    Accepted: Nov. 6, 2015

    Published Online: Aug. 6, 2018

    The Author Email: Danping Chen (dpchen2008@aliyun.com)

    DOI:10.3788/COL201614.011402

    Topics

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