Abstract

A 1.88 μm Ba(NO₃)₂-based stimulated Raman scattering (SRS) laser pumped by a potassium-titanyl-phosphate-based optical parametric oscillator (OPO) laser is presented. Under the pumping energy of a 130 mJ 1064 nm Q-switched Nd:YAG laser, a 40 mJ 1.57 μm laser is achieved; the maximum output energy of the 1.88 μm Raman laser reaches 7.5 mJ with a pulse duration of 5.3 ns at repetition rates of 10 Hz, and the corresponding total optical conversion efficiency is about 5.8%. The combination of the SRS and OPO techniques significantly extends the wavelength from 1.064 to 1.57 μm (OPO) and then demonstrates Stokes-shifting to 1.88 μm (SRS).

© 2016 Chinese Laser Press

Simultaneous broadband Raman cascading and parametric conversion in potassium titanyl phosphate

Alexis Labruyère, Badr M. Shalaby, Katarzyna Krupa, Vincent Couderc, Alessandro Tonello, and Fabio Baronio
Opt. Lett. 38(19) 3758-3761 (2013)

Stimulated Raman scattering in a potassium titanyl phosphate crystal:?simultaneous self-sum frequency mixing and self-frequency doubling

Y. F. Chen
Opt. Lett. 30(4) 400-402 (2005)

Efficient 1.8 μmKTiOPO₄ optical parametric oscillator pumped within an Nd:YAG/SrWO₄ Raman laser

Fen Bai, Qingpu Wang, Zhaojun Liu, Xingyu Zhang, Wenjia Sun, Xuebin Wan, Ping Li, Guofan Jin, and Huaijin Zhang
Opt. Lett. 36(6) 813-815 (2011)

Tunable visible solid-state lasers based on second-harmonic generation of LiF:F₂^- in potassium titanyl phosphate

Shirin M. Giffin, Iain T. McKinnie, and Valerii V. Ter-Mikirtychev
Opt. Lett. 23(3) 192-194 (1998)

Noncollinear optical parametric amplification in potassium titanyl phosphate pumped at 800 nm

Han-Kwang Nienhuys and Huib J. Bakker
Appl. Opt. 47(15) 2870-2873 (2008)