[CThA1E] Wavelength Conversion and Laser Devices

[CThA1E-01] [No-show]Two-stage Double-pass DFG System with 30 pm Narrow-Bandwidth Mid-IR Radiation at 7 μm

*Lyubomir I. Stoychev¹, Marco Baruzzo^2,3, Jose J. Suárez-Vargas^2,3, Humberto Cabrera^2,4, Ivaylo P. Nikolov⁵, Alexander A. Demidovich⁵, Miltcho B. Danailov⁵, Andrea Vacchi^2,3 (1. ISSP, BAS (Bulgaria), 2. INFN, Triest (Italy), 3. Univ. Udine (Italy), 4. ICTP (Italy), 5. Elettra-Sincotrone (Italy))

We present a two-stage double-pass difference frequency generation (DFG) laser system emitting tunable, narrow-linewidth (<30 pm), mid-infrared radiation around 6.78 μm. Different non-linear materials were studied as LiInS2, LiInSe2 and BaGa4Se7.