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作者:

Chi, J-J (Chi, J-J.) | Li, P-X (Li, P-X.) (学者:李平雪) | Hu, H. (Hu, H..) | Yao, Y-F (Yao, Y-F.) | Zhang, G-J (Zhang, G-J.) | Yang, C. (Yang, C..) | Zhao, Z-Q (Zhao, Z-Q.)

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EI Scopus SCIE

摘要:

We report a 120 W high average power all-fiber subnanosecond master oscillator power amplifier (MOPA) system with a two-stage amplifier chain. The seed source is an ytterbium-doped single mode fiber laser passively mode-locked by nonlinear polarization rotation (NPR). Its pulse width is tunable from 0.59 ns to 1.2 ns by changing the length of the laser cavity. The average output power of 91.5 mW is obtained at 26.3 MHz with pulse width of 0.59 ns. A large mode area double cladding high-absorption ytterbium-doped fiber is introduced into the master power amplifier to suppress the nonlinear effects. Finally, 120 W average output power is obtained with single pulse energy of 4.56 mu J, and its optical-to-optical conversion efficiency is up to 83.9%. In addition, we demonstrate 19.5 W average-power supercontinuum generation in photonic crystal fiber (PCF) using this subnanosecond pulsed fiber amplifier.

关键词:

MOPA subnanosecond pulse mode-locked fiber laser supercontinuum

作者机构:

  • [ 1 ] [Chi, J-J]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Li, P-X]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Hu, H.]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Yao, Y-F]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Zhang, G-J]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Yang, C.]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Zhao, Z-Q]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Chi, J-J]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

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来源 :

LASER PHYSICS

ISSN: 1054-660X

年份: 2014

期: 8

卷: 24

1 . 2 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:202

JCR分区:3

中科院分区:3

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 11

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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