Abstract

We have demonstrated what we believe to be the first mid-infrared optical parametric oscillator (OPO) pumped directly by a pulsed Tm-doped fiber laser. The Tm-fiber pump laser produces 30ns pulses with a repetition rate of 30kHz at a wavelength of 2μm. The ZnGeP2 (ZGP) OPO produces 20ns mid-IR pulses in the 3.43.9μm and 4.14.7μm spectral regions simultaneously. More than 658mW of mid-IR output power has been generated with a total OPO slope efficiency greater than 35%.

© 2008 Optical Society of America

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