High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator

C. Y. Cho, Y. C. Chen, Y. P. Huang, Y. J. Huang, Kuan-Wei Su, Yung-Fu Chen

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO 4 laser pumped by a quasi-CW diode stack. A theoretical analysis has been explored for the design criteria of generating TEM n , 0 mode in the diode-stack directly side-pumping configuration. We successfully generate TEM n , 0 modes at 1064 nm by adjusting the gain medium with respected to the laser axis. We further observe the spatial cleaning ability for generating an nearly TEM 0 , 0 mode output at 1573 nm with a monolithic OPO cavity. At the repetition rate up to 200 Hz, the output pulse energy reaches 1.21 mJ with the threshold pump energy of 17.9 mJ.

Original languageEnglish
Pages (from-to)7625-7631
Number of pages7
JournalOptics Express
Volume22
Issue number7
DOIs
StatePublished - 1 Jan 2014

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