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LD-clad-pumped nanosecond Tm3+ doped silica fiber amplifier at 1.99 μm

  • Fiber Optics
  • Published:
Laser Physics

Abstract

ALD-clad-pumped nanosecond Tm3+ doped silica fiber amplifier was reported that provided up to a 2-W average power output with a slope efficiency of 48.6% with respect to the absorbed pumped power. The input signal central wavelength was at 1.99 μm, with a 119.5-ns pulse duration and 5-kHz repeat rates. The pump sources were a 793-nm LD output with a 400-μm pigtail fiber. The gain fiber was D-shaped Tm3+ doped silica double-clad fiber with a diameter of 27.5/400 μm. The output amplified pulse and spectrum were in accordance with the input signal. This is the first report to the authors’ knowledge on the general experimental investigation of a LD-clad-pumped Tm3+ doped silica nanosecond-fiber amplifier at 1.99 μm.

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Authors and Affiliations

  1. Department of Science and Technology Education, Quanzhou Normal University, Quanzhou, 362000, China

    J. Tao & W. Hanbin

  2. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, 150080, China

    Z. Yunjun

Authors
  1. J. Tao
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  2. Z. Yunjun
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  3. W. Hanbin
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Corresponding author

Correspondence to Z. Yunjun.

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Original Text © Astro, Ltd.

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Tao, J., Yunjun, Z. & Hanbin, W. LD-clad-pumped nanosecond Tm3+ doped silica fiber amplifier at 1.99 μm. Laser Phys. 18, 996–998 (2008). https://doi.org/10.1134/S1054660X0808015X

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  • DOI: https://doi.org/10.1134/S1054660X0808015X

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