Self-suppression of axial mode hopping by intracavity second-harmonic generation

Optics Letters
K I MartinD C Hanna

Abstract

Intracavity second-harmonic generation (SHG) in a single-frequency laser has an associated loss for adjacent nonlasing modes, from sum-frequency generation, that is greater than the loss from SHG for the lasing mode. Mode hopping is thereby suppressed, as the lasing mode dominates neighboring modes. We have investigated this behavior in a Nd:YAG laser with LBO intracavity frequency doubler, obtaining frequency tuning over more than 80 axial mode spacings, without mode hopping.

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Citations

Mar 30, 2004·Applied Optics·Yann LouyerMarc E Himbert
May 3, 2018·The Review of Scientific Instruments·Tiantian ShiJingbiao Chen
Jul 15, 2016·Applied Optics·Ke-Zhen HanJing-Liang He
Apr 3, 2020·Optics Letters·Xuezong YangRichard P Mildren
May 6, 2019·Optics Express·Quan ShengHelen M Pask

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