4.6 Article

Actively Q-switched dual-wavelength pumped Er3+ :ZBLAN fiber laser at 3.47 μm

Journal

OPTICS LETTERS
Volume 43, Issue 11, Pages 2724-2727

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.43.002724

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Funding

  1. Australian Research Council (ARC) [DP140101336]
  2. South Australian Government Premier's Research and Industry Fund (PRIF grant)
  3. Japan Society for the Promotion of Science (JSPS) KAKENHI [15K04696]
  4. JSPS Short Term Travel Fellowship
  5. Precursory Research for Embryonic Science and Technology (PRESTO) [JPMJPR15PB]
  6. Amada Foundation [AF-2017232]

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We demonstrate the first actively Q-switched fiber laser operating in the 3.5 mu m regime. The dual-wavelength pumped system makes use of an Er3+ doped ZBLAN fiber and a germanium acousto-optic modulator. Robust Q-switching saw a pulse energy of 7.8 mu J achieved at a repetition rate of 15 kHz, corresponding to a peak power of 14.5 W. (C) 2018 Optical Society of America.

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