Compact high-pulse-energy passively Qswitched Nd:YLF laser with an ultra-low-magnification unstable resonator: Application for efficient optical parametric oscillator

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

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

We exploit an ultra-low-magnification unstable resonator to develop a high-pulse-energy side-pumped passively Q-switched Nd:YLF/Cr 4+ :YAG laser with improving beam quality. A wedged laser crystal is employed in the cavity to control the emissions at 1047 nm and 1053 nm independently through the cavity alignment. The pulse energies at 1047 nm and 1053 nm are found to be 19 mJ and 23 mJ, respectively. The peak powers for both wavelengths are higher than 2 MW. Furthermore, the developed Nd:YLF lasers are employed to pump a monolithic optical parametric oscillator for confirming the applicability in nonlinear wavelength conversions.

Original languageEnglish
Pages (from-to)1489-1495
Number of pages7
JournalOptics Express
Volume21
Issue number2
DOIs
StatePublished - 28 Jan 2013

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