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    • Keywords


      Fibre lasers; Q-switched fibre lasers; photonic crystal fibre; Cr4+:YAG saturable absorber.

    • Abstract


      In this paper we report linearly polarized high average power passive Q-switched ytterbium-doped photonic crystal fibre laser with a Cr4+:YAG crystal as a saturable absorber. An average output power of 9.4 W with pulse duration of 64 ns and pulse repetition rate of 57.4 kHz with a slope efficiency of 52% was achieved. Measured polarization extinction ratio (PER) of the Q-switched laser output was 10.5 dB.

    • Author Affiliations


      Usha Chakravarty1 Antony Kuruvilla1 Rajpal Singh1 B N Upadhyay1 K S Bindra1 S M Oak1

      1. Solid State Laser Division, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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