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High-power scaling (>100 W) of a diode-pumped TEM00 Nd:GdVo4 laser system

被引：66
作者：
Minassian, A [1 ]
Thompson, BA [1 ]
Smith, G [1 ]
Damzen, MJ [1 ]
机构：
[1] Univ London Imperial Coll Sci & Technol, Blackett Lab, London SW7 2BW, England
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2005年 / 11卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
diode-pumped; Nd : GdVO4; power-scaling; MOPA; solid-state lasers;
D O I：
10.1109/JSTQE.2005.850594
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present results of an investigation to scale a diodepumped A Nd:GdVO4 laser system to high powers (> 100 W) using a bounce amplifier configuration. A Nd:GdVO4 laser oscillator with a bounce amplifier geometry, pumped by a single 40-W diode bar, gave 24 W of multimode output power (60% optical efficiency), and 20 W of TEMOO output with M-2 < 1.05. Power scaling of the oscillator system with pumping by multiplexing two (nominally) 40-W diode bars gave 50.1 W of multimode output at 83-W diode pumping, 40 W of predominantly TEMOO output from 81-W of diode pumping, and 34 W TEMOO output (M-x(2) = 1.05, M-y(2) = 1.1) with an external slit spatial filter. Higher power scaling is achieved by using a master-oscillator power-amplifier (MOPA) configuration with the double-diodepumped oscillator and a bounce amplifier pumped by a 3-bar diode stack. A multimode MOPA output of 100 W is achieved by single pass amplification with 145-W amplifier diode pumping and 104-W TEMOO mode using a double bounce amplifier configuration with 180-W amplifier diode pumping.
引用
收藏
页码：621 / 625
页数：5
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