High-repetition-rate megawatt millijoule pulses from a Nd:YVO4 laser passively Q-switched by a semiconductor saturable absorber

Y. P. Huang, P. Y. Chiang, Y. J. Huang, Kuan-Wei Su, Yung-Fu Chen, Kai-Feng Huang

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We exploit an AlGaInAs periodic quantum-well absorber with a large modulation strength to realize a multi-mJ passively Q-switched Nd:YVO 4 laser with a repetition rate up to 200 Hz. At a pump energy of 34 mJ, the output pulse energy and the peak power are found to be 3.5 mJ and 1.1 MW, respectively. The fluctuation of the output pulse energy is generally less than ±2%.

Original languageEnglish
Pages (from-to)291-294
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume103
Issue number2
DOIs
StatePublished - 1 May 2011

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