Electro-optic periodically poled lithium niobate Bragg modulator as a laser Q-switch

Y. Y. Lin, S. T. Lin, G. W. Chang, A. C. Chiang, Y. C. Huang, Y. H. Chen

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Abstract

We report an electro-optic Bragg modulator using a periodically poled lithium niobate (PPLN) crystal. We measured a half-wave voltage of 160 V when transmitting a 1064 nm laser through a 14.2 mm long, 780 μm thick, 20.13 μm period PPLN crystal at the Bragg angle. We also demonstrated a Q-switched Nd:YVO4 laser using such a PPLN Bragg modulator as its Q-switch, producing 7.8 ns, 201 μJ pulses at a 10 kHz repetition rate when pumped by a 19.35 W diode laser at 808 nm.

Original languageEnglish
Pages (from-to)545-547
Number of pages3
JournalOptics Letters
Volume32
Issue number5
DOIs
Publication statusPublished - 2007 Mar 1

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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