High energy all-fiber based pulsed thulium-doped fiber laser at 2 μm

Yin Ke; Yang Weiqiang; Zhang Bin; Lü Xinming; Hou Jing

doi:10.3788/HPLPB20132507.1611

Volume 25 Issue 07

May 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(07): 1611-1612

Zheng Zheng, Wu Hongchun, Cao LiangZhi, et al. Application of Monte Carlo and discrete ordinate coupling method to pressurized water reactor cavity radiation streaming calculation[J]. High Power Laser and Particle Beams, 2012, 24: 2946-2950. doi: 10.3788/HPLPB20122412.2946

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Yin Ke, Yang Weiqiang, Zhang Bin, et al. High energy all-fiber based pulsed thulium-doped fiber laser at 2 μm[J]. High Power Laser and Particle Beams, 2013, 25: 1611-1612. doi: 10.3788/HPLPB20132507.1611

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High energy all-fiber based pulsed thulium-doped fiber laser at 2 μm

doi: 10.3788/HPLPB20132507.1611

1.
College of Opto-electric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Received Date: 2012-12-26
Rev Recd Date: 2013-03-21
Publish Date: 2013-05-02

Abstract

Abstract

A stable high energy all-fiber based pulsed thulium-doped fiber laser at 2 m is obtained based on gain-switched techniques. The pulse repetition rate can be tuned between 10 kHz and 50 kHz, and the central wavelength of the laser is 1958 nm. With the rise of injected pump power, the output pulse width decreases and is in a range of 1.2-1.7 s. By using two-stage thulium-doped fiber amplifiers the average output power is scaled up to 5.18 W at 10 kHz, the output pulse width is 1.6 s, and the corresponding single pulse energy after amplification is 0.518 mJ.
- fiber laser,
- high energy,
- gain-switching,
- thulium-doped fiber

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