High power passively Q-switched ytterbium fiber laser with Cr 4+:YAG as a saturable absorber

J. Y. Huang, H. C. Liang, Kuan-Wei Su, Yung-Fu Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

We report an efficient high-peak-power and high-average-power passively Q-switched ytterbium fiber laser with a Cr4+YAG crystal as a saturable absorber in an external-resonator configuration. At an incident pump power of 17.5 W, the passively Q-switched fiber laser produces an average power greater than 6.2 W with a pulse repetition rate of 48 kHz. The output pulses noticeably display a mode-locking phenomenon that leads to the maximum peak power to be higher than 20 kW.

Original languageEnglish
Pages (from-to)473-479
Number of pages7
JournalOptics Express
Volume15
Issue number2
DOIs
StatePublished - 22 Jan 2007

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