1.5 kW all-fiber linearly polarized laser

Huang Long; Ma Pengfei; Tao Rumao; Shi Chen; Wang Xiaolin; Zhou Pu

doi:10.11884/HPLPB201527.010101

Volume 27 Issue 01

Jan. 2015

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Huang Long, Ma Pengfei, Tao Rumao, et al. 1.5 kW all-fiber linearly polarized laser[J]. High Power Laser and Particle Beams, 2015, 27: 010101. doi: 10.11884/HPLPB201527.010101

Citation:

Huang Long, Ma Pengfei, Tao Rumao, et al. 1.5 kW all-fiber linearly polarized laser[J]. High Power Laser and Particle Beams, 2015, 27: 010101. doi: 10.11884/HPLPB201527.010101

Huang Long, Ma Pengfei, Tao Rumao, et al. 1.5 kW all-fiber linearly polarized laser[J]. High Power Laser and Particle Beams, 2015, 27: 010101. doi: 10.11884/HPLPB201527.010101

Citation:

Huang Long, Ma Pengfei, Tao Rumao, et al. 1.5 kW all-fiber linearly polarized laser[J]. High Power Laser and Particle Beams, 2015, 27: 010101. doi: 10.11884/HPLPB201527.010101

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1.5 kW all-fiber linearly polarized laser

doi: 10.11884/HPLPB201527.010101

1.
College of Optoelectronic Science and Engineering,National University of Defense Technology,Changsha 410073,China

Received Date: 2014-12-02
Rev Recd Date: 2014-12-22
Publish Date: 2015-01-20

Abstract

Abstract

A 1.5 kW all-fiber linearly-polarized fiber laser is reported. The laser adopts a scheme of MOPA structure which consists of an oscillator and a one-step power amplifier. The oscillator operates at a center wavelength of 1080 nm with an output power of 30 W, which is amplified to nearly diffraction-limited output of 1.5 kW by the one-step amplifier. The optical-optical efficiency is about 81.5% and the PER (Polarization-Extinction-Ratio) is about 13.8 dB. It is the highest output power of linearly polarized laser up to now.
- fiber laser,
- linearly polarized,
- MOPA structure