Multi-watt mid-IR fiber-pumped OPO

We have demonstrated a multi-watt mid-IR ZGP OPO pumped by a pulsed Tm-doped fiber laser operating at 1.995 um. 2 W of total mid-IR output power has been generated in the 3.4-3.9 mum and 4.0-4.7 mum spectral regions simultaneously.