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Author:

Sun, Ruoyu (Sun, Ruoyu.) | Jin, Dongchen (Jin, Dongchen.) | Cao, Yi (Cao, Yi.) | Wang, Pu (Wang, Pu.)

Indexed by:

EI Scopus PKU CSCD

Abstract:

A high power 1030 nm passively mode-locked ytterbium-doped picosecond fiber laser by master oscillator power amplifier (MOPA) in all-fiber configuration is demonstrated. The laser system consists of the picosecond seed and three stages of ytterbium-doped all-fiber amplifiers. The seed is mode-locked by semiconductor saturable absorber mirror (SESAM). And a stable output is obtained with 30.7 ps pulse width, 29.0 MHz repetition rate, and 30 mW average output power. The laser operates at 1030.4 nm with a spectral width of 0.15 nm. After three stages of fiber amplification, the final output power is scaled up to 101 W in a 30 μm/250 μm double cladding ytterbium-doped fiber with the slope efficiency of 76.7%. The laser performance with the pulse width of 36.6 ps, pulse energy of 3.48 μJ, peak power as high as 97 kW operating at 1030.4 nm with bandwidth of 1.46 nm is achieved, and the beam quality M2 is 2.78.

Keyword:

Ytterbium Power amplifiers Optical phase conjugation Passive mode locking Lasers Fiber amplifiers Semiconductor lasers Mode-locked fiber lasers Fibers Pulse repetition rate Semiconductor saturable absorber mirrors Fiber lasers

Author Community:

  • [ 1 ] [Sun, Ruoyu]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Jin, Dongchen]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Cao, Yi]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Wang, Pu]National Center of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address:

  • [wang, pu]national center of laser technology, institute of laser engineering, beijing university of technology, beijing; 100124, china

Email:

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Source :

Chinese Journal of Lasers

ISSN: 0258-7025

Year: 2014

Issue: 10

Volume: 41

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 17

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