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High-power Q-switched rod-type photonic-crystal-fiber laser with linear polarization

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Abstract

We have developed a high-power Q-switched laser based on a ytterbium-doped rod-type photonic crystal fiber (PCF) with a 100-µm core size. Thanks to the big core size and the high pump absorption of the rod-type PCF, energetic high-peak-power laser pulses can be generated from a short-length Q-switched rod-type PCF laser. The maximal pulse energy is 3.3 mJ with a pulse duration of 13 ns, yielding a 0.25-MW peak power, and the maximal average power is more than 250 W at a high repetition rate of 150 kHz. With a polarizer installed inside the laser cavity, a high degree of linear polarization is achieved even at the maximal output energy.

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Authors and Affiliations

  1. Quantum Optics Division, Korea Atomic Energy Research Institute, Daejeon, 305-353, Korea

    Yong-Ho Cha, Hyunmin Park, Gwon Lim, Kwang-Hoon Ko, Jaemin Han, Taek-Soo Kim & Do-Young Jeong

  2. Department of Physics, Kongju National University, Gongju, 314-701, Korea

    Yong Gi Kim

Authors
  1. Yong-Ho Cha
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  2. Hyunmin Park
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  3. Gwon Lim
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  4. Kwang-Hoon Ko
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  5. Jaemin Han
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  6. Taek-Soo Kim
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  7. Do-Young Jeong
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  8. Yong Gi Kim
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Correspondence to Yong-Ho Cha.

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Cha, YH., Park, H., Lim, G. et al. High-power Q-switched rod-type photonic-crystal-fiber laser with linear polarization. Journal of the Korean Physical Society 60, 1872–1876 (2012). https://doi.org/10.3938/jkps.60.1872

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  • DOI: https://doi.org/10.3938/jkps.60.1872

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