提拉法生长的掺铒镱硅酸镥晶体的高效1620纳米连续波激光运转

Efficient 1620 nm continuous-wave laser operation of Czochralski grown Er:Yb:LuSiO crystal.

作者信息

Huang Jianhua, Chen Yujin, Wang Han, Lin Yanfu, Gong Xinghong, Luo Zundu, Huang Yidong

出版信息

Opt Express. 2017 Oct 2;25(20):24001-24006. doi: 10.1364/OE.25.024001.

DOI:10.1364/OE.25.024001

Abstract

Efficient continuous-wave diode-pumped laser operation of Czochralski grown Er:Yb:LuSiO crystal is reported. Polarized absorption and emission spectra, fluorescence lifetimes, and energy transfer efficiency from Yb to Er were determined. A maximal output power of 522 mW was achieved at 1620 nm with slope efficiency of 15.8% and absorbed pump threshold of 470 mW. Among the Er and Yb co-doped materials with long fluorescence lifetimes of the upper level I, which are candidates for gain media of pulsed laser around 1.55 μm with high energy, comprehensive performance of the Er:Yb:LuSiO crystal is the best till now.

摘要

报道了提拉法生长的掺铒镱硅酸镥（Er:Yb:LuSiO）晶体实现高效连续波二极管泵浦激光运转。测定了其偏振吸收和发射光谱、荧光寿命以及镱到铒的能量转移效率。在1620nm处实现了522mW的最大输出功率，斜率效率为15.8%，吸收泵浦阈值为470mW。在具有长寿命上能级I的掺铒镱共掺杂材料中，这些材料是1.55μm左右高能量脉冲激光增益介质的候选材料，到目前为止，Er:Yb:LuSiO晶体的综合性能最佳。