Abstract

An efficient intracavity single-resonant optical parametric oscillator (OPO) at 1.571-micron eye-safe range using a non-critically phase-matched KTP crystal is reported. The OPO is excited by a diode side-pumped electro-optic Q-switched Nd:YAG laser at 1.064 microns. Signal pulse of 97 mJ and 3.56 ns is obtained under the input electric energy of 2.3 J, corresponding to a slope efficiency of 4.2%, and a repetition rate range of 1-30 Hz.

© 2006 Chinese Optics Letters

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