[11p-S202-1~10] 3.5 Laser system and materials

[11p-S202-3] Mid-infrared lasers based on polycrystalline Cr²⁺:ZnS/ZnSe

〇(M1)Ryohei Mitsui¹, Anna Suzuki¹, Masaki Yumoto², Masaki Tokurakawa¹ (1.ILS,UEC, 2.RIKEN)

Keywords:Laser, Mode-locked laser

We report the development of continuous wave Cr²⁺:ZnSe and Cr²⁺:ZnS lasers, and mode-locked Cr²⁺:ZnS laser using semiconductor saturable absorber mirror (SESAM). We obtained wavelength tunability of 1949-2402 nm and 2186-2684 nm for the Cr²⁺:ZnSe and the Cr²⁺:ZnS, respectively. In addition, in the mode-locking experiments, we observed mode-locked pulses at a repetition rate of 93.6 MHz. Spectral bandwidth and center wavelength were ~0.7 nm and 2427 nm.