Chinese Optics Letters, 2011, 9 (9): 090604, Published Online: Jul. 13, 2011   

Eye-safe, single-frequency pulsed all-fiber laser for Doppler wind lidar Download: 1376次

Author Affiliations
Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
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 1J 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.

Yuan Liu, Jiqiao Liu, Weibiao Chen. Eye-safe, single-frequency pulsed all-fiber laser for Doppler wind lidar[J]. Chinese Optics Letters, 2011, 9(9): 090604.

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