Open AccessPassively Q-switched 15-16 μm Er:Yb:LuAl_3(BO_3)_4 laser with Co^2+:Mg_04Al_24O_4 saturable absorber
Author(s) -
Yujin Chen,
Yanfu Lin,
Yongqiang Zou,
Zhixun Luo,
Yidong Huang
Publication year - 2012
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.009940
Subject(s) - saturable absorption , laser , materials science , optics , q switching , pulse duration , crystal (programming language) , diode , pulse (music) , pulse width modulation , optoelectronics , fiber laser , power (physics) , physics , quantum mechanics , detector , computer science , programming language
Using a Co(2+):Mg(0.4)Al(2.4)O(4) spinel crystal as saturable absorber, efficient passively Q-switched pulse laser operating at 1.5-1.6 μm was realized in an Er:Yb:LuAl(3)(BO(3))(4) crystal end-pumped by a 970 nm diode laser. At absorbed pump power of 15.7 W, 1540 nm laser with 28.6 μJ energy, 40 ns duration and 22 kHz repetition rate, and 1520 nm laser with 9.9 μJ energy, 37 ns duration and 63 kHz repetition rate were obtained in a plano-concave cavity, respectively. For a plano-plano cavity, corresponding values of 1520 nm laser were 16.3 μJ, 14 ns and 41 kHz, respectively, and the maximum output peak power was about 1.16 kW.