Low-phase-noise, single-frequency, single-mode 608 W thulium fiber amplifier

被引：193
作者：
Goodno, Gregory D. [1 ]
Book, Lewis D. [1 ]
Rothenberg, Joshua E. [1 ]
机构：
[1] Northrop Grumman Aerosp Syst, Redondo Beach, CA 90278 USA
来源：
OPTICS LETTERS | 2009年 / 34卷 / 08期
关键词：
POWER;
D O I：
10.1364/OL.34.001204
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A chain of four Tm-doped fibers amplified a single-frequency, 2040 nm diode laser to 608 W with M-2 = 1.05 +/- 0.03, limited by available pump power. Stimulated Brillouin scattering limits were investigated by splicing different lengths of passive fiber to the output of the final amplifier stage. Integrated rms phase noise above 1 kHz was less than lambda/30, suggesting the possibility of further scaling via coherent beam combining. To our knowledge, this is the highest power obtained from any single-frequency, single-mode fiber laser. (C) 2009 Optical Society of America
引用
收藏
页码：1204 / 1206
页数：3
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