Demirbas Umit, Sennaroglu Alphan
Laser Research Laboratory, Department of Physics, Koç University, Rumelifeneri, Sariyer, Istanbul 34450, Turkey.
Opt Lett. 2006 Aug 1;31(15):2293-5. doi: 10.1364/ol.31.002293.
We obtained, what is to our knowledge, record tuning from an intracavity-pumped gain-switched Cr2+:ZnSe laser. In the experiments, a polycrystalline Cr2+:ZnSe sample with an absorption of about 43% at 1570 nm was used to minimize reabsorption losses at the lasing wavelengths below 2000 nm. By placing the gain medium inside the cavity of a pulsed KTP optical parametric oscillator (OPO) operating at 1570 nm, smooth, continuous tuning was achieved in the 1880-3100 nm range with four different sets of cavity optics. As high as 145 mW of average laser output power was obtained at 2365 nm with 1.2 W of intracavity OPO power.
