Eye-safe, single-frequency pulsed all-fiber laser for Doppler wind lidar

被引：60
作者：
Liu, Yuan [1 ]
Liu, Jiqiao [1 ]
Chen, Weibiao [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai Key Lab All Solid State Laser & Appl Tec, Shanghai 201800, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2011年 / 9卷 / 09期
基金：
中国国家自然科学基金;
关键词：
HIGH-ENERGY; POWER; MODE; AMPLIFIERS;
D O I：
10.3788/COL201109.090604
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A single-frequency pulsed erbium-doped fiber (EDF) laser with master-oscillator power-amplifier configuration at 1 533 nm is developed. A short-cavity, erbium-doped phosphate glass fiber laser is utilized as a seeder laser with a linewidth of 5 kHz and power of 40 mW. The seeder laser is modulated to be a pulse laser with a repetition rate of 10 kHz and pulse duration of 500 ns. The amplifier consists of two pre-amplifiers and one main amplifier. The detailed characteristics of the spectrum and linewidth of the amplifiers are presented. A pulse energy of 116 mu J and a linewidth of 1.1 MHz are obtained. This laser can be a candidate transmitter for an all-fiber Doppler wind lidar in the boundary layer.
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页数：4
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