Resonantly pumped 1.645 μm high repetition rate Er:YAG laser Q-switched by a graphene as a saturable absorber

Chunqing Gao*, Ran Wang, Lingni Zhu, Mingwei Gao, Qing Wang, Zhiguo Zhang, Zhiyi Wei, Jingjing Lin, Liwei Guo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

A fiber laser resonantly pumped 1.645 μm passively Q-switched Er:YAG laser is reported. Graphene on a silicon carbide was used as the saturable absorber for the Q-switching. The pulse energy of the 1.645 μmQ-switched Er:YAG laser was 7.05 μJ, with a pulse repetition rate of 35.6 kHz and an average output power of 251 mW.

Original languageEnglish
Pages (from-to)632-634
Number of pages3
JournalOptics Letters
Volume37
Issue number4
DOIs
Publication statusPublished - 15 Feb 2012

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