Monolithic quasi-phase-matched nonlinear crystal for simultaneous laser Q switching and parametric oscillation in a Nd:YVO4 laser

Y. H. Chen, Y. Y. Lin, C. H. Chen, Y. C. Huang

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

We report the performance of a periodically poled lithium niobate (PPLN) crystal inside a diode-pumped Nd: YVO4 laser for simultaneous laser Q switching and optical parametric oscillation. The monolithic PPLN crystal consists of two sections, a 1-cm-long 14-μm-period electrode-coated section and a 4-cm-long 30-μm-period section, functioning as a low-voltage Pockels cell and a quasi-phase-matched parametric gain medium, respectively. At a 150-V Q-switching voltage and a 6-kHz switching rate, we measured 25-μJ pulse energy and 4-kW peak power at 1.55 μm with 9-W absorbed diode power.

Original languageEnglish
Pages (from-to)1045-1047
Number of pages3
JournalOptics Letters
Volume30
Issue number9
DOIs
StatePublished - 1 May 2005

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