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Published on: November 30, 2012
Continuous-wave laser performance of Nd:LuVO4 crystal operating at 1.34 microm
Huaijin Zhang1, Junhai Liu, Jiyang Wang
1National Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University, Jinan 250100, China. hjzhang@icm.sdu.edu.cn
Abstract:
A laser-diode-array end-pumped Nd:LuVO4 crystal continuous-wave (cw) laser operating at 1.34 microm has been demonstrated. The maximum cw output power of 1.85 W was obtained at the incident pump power of 17 W for a c-cut 0.5 at. % Nd-doped LuVO4 crystal sample, giving the corresponding optical conversion efficiency of 10.88% and a slope efficiency of 13.5%. Laser experiments of Nd3+ concentration of 0.5 and 0.9 at. % a-cut crystal LuVO4 samples were also investigated; due to the strong excited-state absorption of Nd:LuVO4 at 1.34 microm, the output power was limited.
