1540-nm single frequency single-mode  pulsed all fiber laser for coherent Doppler lidar

Xin Zhang; Weifeng Diao; Yuan Liu; Jiqiao Liu; Xia Hou; Weibiao Chen

doi:10.1117/12.2064725

3 February 2015 1540-nm single frequency single-mode pulsed all fiber laser for coherent Doppler lidar

Xin Zhang, Weifeng Diao, Yuan Liu, Jiqiao Liu, Xia Hou, Weibiao Chen

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 925503 (2015) https://doi.org/10.1117/12.2064725
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

A single-mode single frequency eye-safe pulsed all fiber laser based on master oscillator power amplification structure is presented. This laser is composed of a narrow linewidth distributed laser diode seed laser and two-stage cascade amplifiers. 0.8 m longitudinally gradient strained erbium/ytterbium co-doped polarization-maintaining fiber with a core diameter of 10 μm is used as the gain fiber and two acoustic-optics modulators are adopted to enhance pulse extinction ratio. A peak power of 160 W and a pulse width of 200 ns at 10 kHz repetition rate are achieved with transform-limited linewidth and diffraction-limited beam quality. This laser will be employed in a compact short range coherent Doppler wind lidar.

Citation Download Citation

Xin Zhang, Weifeng Diao, Yuan Liu, Jiqiao Liu, Xia Hou, and Weibiao Chen "1540-nm single frequency single-mode pulsed all fiber laser for coherent Doppler lidar", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 925503 (3 February 2015); https://doi.org/10.1117/12.2064725

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