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Author:

Xu, Yan (Xu, Yan.) | Peng, Zhigang (Peng, Zhigang.) | Shi, Yuhang (Shi, Yuhang.) | Wang, Beibei (Wang, Beibei.) | Cheng, Zhaochen (Cheng, Zhaochen.) | Wang, Pu (Wang, Pu.) (Scholars:王璞)

Indexed by:

EI Scopus SCIE

Abstract:

We present a hybrid chirped pulse amplification (CPA) laser system based on Yb-doped fiber and Yb:YAG thin rod. The laser system demonstrates a novel approach to generate high average power up to the 100-W level by using a Yb:YAG thin rod without pump guiding at room temperature. A Yb-doped all-fiber laser with an output power of 7 W and a repetition rate of 1 MHz is amplified to an output power of 126.2 W in simple and compact two-stage amplifiers consisting of a single fiber crystal (SCF) and a Yb:YAG thin rod. To the best of our knowledge, this is the highest output power of Yb:YAG thin-rod amplifier with good beam quality obtained without pump guiding at room temperature. After using a thin-film polarizer (TFP) to remove the thermal depolarization, a linearly polarized ultrashort pulse laser with an average power of 115.2 W is obtained. An output power of 80.6 W with a pulse width of 580 fs is achieved after pulse compression. The central pulse contains 84.1% of the total pulse energy, corresponding to a pulse peak power of 116.9 MW.

Keyword:

Fiber lasers Optical fiber polarization hybrid amplification Power amplifiers Pump lasers Chirped pulse amplification Laser beams Optical fiber amplifiers Yb femtosecond laser YAG thin rod Power lasers

Author Community:

  • [ 1 ] [Xu, Yan]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Peng, Zhigang]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Shi, Yuhang]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Beibei]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Cheng, Zhaochen]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 6 ] [Wang, Pu]Beijing Univ Technol, Beijing Engn Res Ctr Laser Technol, Beijing 100124, Peoples R China
  • [ 7 ] [Xu, Yan]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 8 ] [Peng, Zhigang]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 9 ] [Shi, Yuhang]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 10 ] [Wang, Beibei]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 11 ] [Cheng, Zhaochen]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 12 ] [Wang, Pu]Beijing Univ Technol, Key Lab Trans Scale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 13 ] [Xu, Yan]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 14 ] [Peng, Zhigang]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 15 ] [Shi, Yuhang]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 16 ] [Wang, Beibei]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 17 ] [Cheng, Zhaochen]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 18 ] [Wang, Pu]Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China

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Source :

IEEE PHOTONICS JOURNAL

ISSN: 1943-0655

Year: 2022

Issue: 2

Volume: 14

2 . 4

JCR@2022

2 . 4 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:41

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 8

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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