Intracavity infrared OPO using periodically poled Mg-doped stoichiometric LiTaO3 for generating high average power

Ki-Ho Cho; Bum Ku Rhee

doi:10.1117/12.761494

13 February 2008 Intracavity infrared OPO using periodically poled Mg-doped stoichiometric LiTaO₃ for generating high average power

Ki-Ho Cho, Bum Ku Rhee

Author Affiliations +

Proceedings Volume 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII; 68751A (2008) https://doi.org/10.1117/12.761494
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

We report on optical parametric oscillator (OPO) based on 2 mm-thick periodically poled Mg-doped stoichiometric LiTaO₃ (PPMgSLT) pumped within the cavity of a Q-switched diode-pumped Nd:YAG laser of high average power that operates at 10 kHz repetition rate. We have obtained 9 W of 2-μm output at the diode current of 21 A from a near-degenerate phase-matched OPO using simple cavity configuration. We also found it has a good long-term stability with such an output of high average power for more than an hour. The intensity profile and measured M² of 2-μm output beam were circularly symmetric and ~7.

Citation Download Citation

Ki-Ho Cho and Bum Ku Rhee "Intracavity infrared OPO using periodically poled Mg-doped stoichiometric LiTaO₃ for generating high average power", Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 68751A (13 February 2008); https://doi.org/10.1117/12.761494

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