Linearly polarized intracavity passive Q-switched Yb-doped photonic crystal fibre laser

Autor: S. M. Oak, B.N. Upadhyay, Usha Chakravarty, A. Kuruvilla, K. S. Bindra, Rajpal Singh
Rok vydání: 2014
Předmět:
Zdroj: Pramana. 82:379-383
ISSN: 0973-7111
0304-4289
DOI: 10.1007/s12043-014-0695-8
Popis: 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.
Databáze: OpenAIRE