Generation of high energy 780 nm femtosecond pulses by frequency doubling of an all-polarization-maintaining Er-doped fiber laser - Details

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Abstract：

We　demonstrate　a　high-energy　780　nm　wavelength　band　femtosecond　laser　by　utilizing　single-pass　frequency　doubling　all-PM　Er-doped　fiber　amplifier　(EDFA)　in　a　periodically-poled　lithium　niobate　(PPLN)　crystal.　The　high　power　1560　nm　laser　is　realized　based　on　chirped　pulse　amplification　(CPA)　technology,　which　has　obtained　the　average　power　of　3.02　W,　repetition　frequency　of　1.03　MHz,　and　pulse　width　of　640　fs.　Subsequently,　by　using　a　PPLN　crystal　as　frequency　doubling　element,　a　maximum　output　power　of　0.46　W　with　620　fs　pulse　width　at　780.29　nm　is　generated,　the　corresponding　pulse　energy　is　0.44　μJ　and　the　peak　power　is　0.71　MW.　To　the　best　of　our　knowledge,　the　0.44　μJ　laser　output　in　780　nm　wavelength　band　is　the　highest　pulse　energy　generated　from　a　frequency　doubling　femtosecond　Er-doped　PM　fiber　laser.　©　2024　Elsevier　B.V.

Keyword：

Chirped pulse amplification Femtosecond laser Frequency doubling High energy 780 nm wavelength band

Author Community：

[ 1 ] [Si G.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Si G.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 3 ] [Si G.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Song W.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Song W.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 6 ] [Song W.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China
[ 7 ] [Hou Y.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 8 ] [Hou Y.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 9 ] [Hou Y.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China
[ 10 ] [Zhao H.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 11 ] [Zhao H.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 12 ] [Zhao H.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China
[ 13 ] [Zhang Q.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 14 ] [Zhang Q.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 15 ] [Zhang Q.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China
[ 16 ] [Wang P.]Beijing Engineering Research Center of Laser Technology, Beijing University of Technology, Beijing, 100124, China
[ 17 ] [Wang P.]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 18 ] [Wang P.]Institute of Laser Engineering, School of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing, 100124, China

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Source ：

Optics Communications

ISSN： 0030-4018

Year： 2024

Volume： 561

2 . 4 0 0

JCR@2022

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WoS CC Cited Count： 0

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 3

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