High-energy femtosecond Yb-doped all-fiber monolithic chirped-pulse amplifier at repetition rate of 1 MHz

A high-energy femtosecond all ytterbium fiber amplifier based on a chirped-pulse amplification（CPA） technique at a repetition rate of 1 MHz seeded by a dispersion-management mode-locked picosecond broadband oscillator is studied.We find that the compressed pulse duration is dependent on the amplifie...

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Published inChinese physics B Vol. 25; no. 9; pp. 364 - 367
Main Author 吕志国 滕浩 王立娜 王军利 魏志义
Format Journal Article
LanguageEnglish
Published 01.09.2016
Subjects
单片
啁啾脉冲放大
掺镱光纤放大器
脉冲持续时间
脉冲放大器
重复率
飞秒
高能量
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/25/9/094208

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Summary:A high-energy femtosecond all ytterbium fiber amplifier based on a chirped-pulse amplification（CPA） technique at a repetition rate of 1 MHz seeded by a dispersion-management mode-locked picosecond broadband oscillator is studied.We find that the compressed pulse duration is dependent on the amplified energy,the pulse duration of 804 fs corresponds to the maximum amplified energy of 10.5 μJ,while the shortest pulse duration of 424 fs corresponds to the amplified energy of 6.75 μJ.The measured energy fluctuation is approximately 0.46% root mean square（RMS） over 2 h.The low-cost femtosecond fiber laser source with super-stability will be widely used in industrial micromachines,medical therapy,and scientific studies.
Bibliography:high-energy femtosecond pulse chirped-pulse amplification all-fiber amplifier
Zhi-Guo Lv, Hao Teng, Li-Na Wang, Jun-Li Wang, and Zhi-Yi Wei（ 1 School of Physics and Optoelectronic Engineering, Xidian University, Xi＇an 710071, China 2 i.. . BerJmg National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China （Received 13 April 2016; revised manuscript received 8 Mav 2016 published online 2 August 2016）
A high-energy femtosecond all ytterbium fiber amplifier based on a chirped-pulse amplification（CPA） technique at a repetition rate of 1 MHz seeded by a dispersion-management mode-locked picosecond broadband oscillator is studied.We find that the compressed pulse duration is dependent on the amplified energy,the pulse duration of 804 fs corresponds to the maximum amplified energy of 10.5 μJ,while the shortest pulse duration of 424 fs corresponds to the amplified energy of 6.75 μJ.The measured energy fluctuation is approximately 0.46% root mean square（RMS） over 2 h.The low-cost femtosecond fiber laser source with super-stability will be widely used in industrial micromachines,medical therapy,and scientific studies.
11-5639/O4
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/25/9/094208