All-Fiber Eye-Safe Pulsed Laser with Er-Yb Co-Doped Multi-Stage Amplifier

被引：17

作者：

Peng, B. ^{[1
]}

Zhang, H. ^{[1
]}

Gong, M. ^{[1
]}

Yan, P. ^{[1
]}

机构：

[1] Tsinghua Univ, Ctr Photon & Elect, State Key Lab Tribol, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China

来源：

LASER PHYSICS | 2009年 / 19卷 / 10期

关键词：

HIGH-POWER; EDFA;

D O I：

10.1134/S1054660X09190165

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an all-fiber pulsed laser with multistage fiber amplifier which was suitable for high power eye-safe free space optical communications. Tapered structure has been utilized between booster and final amplifiers, which could increase the power coupling from the former fiber into the core of the latter fiber, and the beam quality of the output laser could be improved simultaneously. A maximum output power over 6 W has been achieved from the master-oscillator-power-amplifier system. With the multi-stage configuration and forward pumping, the optical signal to noise ratio was measured to be better than 50 dB.

引用

页码：2019 / 2022

页数：4

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