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作者:

Tan, Fangzhou (Tan, Fangzhou.) | Shi, Hongxing (Shi, Hongxing.) | Wang, Peng (Wang, Peng.) | Liu, Jiang (Liu, Jiang.) | Wang, Pu (Wang, Pu.)

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CPCI-S Scopus

摘要:

We demonstrate on chirped pulse amplification of a dissipative soliton thulium-doped fiber laser. The system consists of an all-fiber seed laser, a fiber-based stretcher, two-stage fiber amplifier and a free space grating compressor. The oscillator works in the normal dispersion regime and delivers up-chirped pulses with output power of 3 mW at repetition rate of 29.3 MHz. The spectrum of the seed laser is located at 1938 nm with a 10 dB bandwidth of 50 nm. The output pulses are directly stretched in similar to 50 m normal dispersion fiber to 72 ps pulse duration. In the pre-amplifier and power amplifier, both forward pumping and backward pumping are tested in the experiment. Output power of 7 W has been achieved in the power amplifier with backward pumping corresponding to a pulse energy of 239 nJ, which has an amplification slope efficiency of 37.8%. The PER at the highest average output power was measured to be 19.5 dB. The amplified up-chirped pulses could be dechirped to a duration time of 121 fs with energy of 161 nJ using a pair of fused silica transmission gratings.

关键词:

Laser Ultrafast laser Chirped pulse amplification Pulse compression Mode-locked fiber laser

作者机构:

  • [ 1 ] [Wang, Pu]Natl Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Pu]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Wang, Peng]Natl Ctr Laser Technol, Beijing 100124, Peoples R China

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来源 :

FIBER LASERS XIII: TECHNOLOGY, SYSTEMS, AND APPLICATIONS

ISSN: 0277-786X

年份: 2016

卷: 9728

语种: 英文

被引次数:

WoS核心集被引频次: 2

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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