Abstract

We report a high-energy optical parametric oscillator (OPO) synchronously pumped by a 7.19MHz, Yb:fiber- amplified, picosecond, gain-switched laser diode. The 42-m-long ring cavity maintains a compact design through the use of an intracavity optical fiber. The periodically poled MgO-doped LiNbO3 OPO provides output pulse energies as high as 0.49μJ at 1.5μm (signal) and 0.19μJ at 3.6μm (idler). Tunability from 1.5 to 1.7μm and from 2.9 to 3.6μm is demonstrated, and typical M2 values of 1.5×1.3 and 2.8×1.9 are measured for the signal and idler, respectively, at high power.

© 2010 Optical Society of America

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