Linearly polarized intracavity passive Q-switched Yb-doped photonic crystal fibre laser
Usha Chakravarty Antony Kuruvilla Rajpal Singh B N Upadhyay K S Bindra S M Oak
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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.
Usha Chakravarty1 Antony Kuruvilla1 Rajpal Singh1 B N Upadhyay1 K S Bindra1 S M Oak1
Volume 97, 2023
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