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题名

Efficient generation of narrowband picosecond pulses from a femtosecond laser

作者
通讯作者Ren,Zefeng
发表日期
2021-08-01
DOI
发表期刊
ISSN
0034-6748
EISSN
1089-7623
卷号92期号:8
摘要

In some applications of broadband ultrafast spectroscopy, such as surface sum frequency generation vibrational spectroscopy, femtosecond stimulated Raman spectroscopy (SRS), and coherent anti-Stokes Raman spectroscopy, a narrowband picosecond pulse is required to obtain a high spectral resolution. Here, we present a method to generate narrowband picosecond second harmonic (SH) and fundamental frequency (FF) pulses with high-conversion efficiency from a Ti:sapphire femtosecond laser amplifier. The narrowband picosecond SH pulse was generated based on the group velocity mismatch between the SH and FF pulses in a nonlinear crystal of β-barium borate (BBO). The small SH nonlinear optical coefficient was optimized by changing the azimuth angle of a thick BBO crystal, successfully avoiding the saturation effect in the SH generation process. The SH pulse was then used to pump an optical parametric amplifier to efficiently amplify the narrowband FF seed pulse, which was obtained with an etalon by spectrally filtering the output from the femtosecond laser amplifier. Dual-wavelength output, which could be very useful in femtosecond SRS, was also realized.

相关链接[Scopus记录]
收录类别
SCI ; EI
语种
英语
学校署名
其他
资助项目
Ministry of Science and Technology of China[2018YFA0208700] ; Chinese Academy of Sciences["XDB17000000","ZDKYYQ20170003"] ; National Natural Science Foundation of China["21688102","61704115"]
WOS研究方向
Instruments & Instrumentation ; Physics
WOS类目
Instruments & Instrumentation ; Physics, Applied
WOS记录号
WOS:000695318600001
出版者
EI入藏号
20213310766003
EI主题词
Barium compounds ; Crystals ; High frequency amplifiers ; Nonlinear optics ; Optical parametric amplifiers ; Optical pumping ; Parametric amplifiers ; Raman spectroscopy ; Sapphire ; Spectral resolution ; Stimulated Raman scattering ; Ultrafast phenomena
EI分类号
Gems:482.2.1 ; Amplifiers:713.1 ; Electronic Components and Tubes:714 ; Light/Optics:741.1 ; Nonlinear Optics:741.1.1 ; Crystalline Solids:933.1
ESI学科分类
CHEMISTRY
Scopus记录号
2-s2.0-85112345125
来源库
Scopus
引用统计
被引频次[WOS]:3
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/243014
专题理学院_化学系
作者单位
1.School of Dayu Zhang,Dalian University of Technology,Dalian,116024,China
2.State Key Laboratory of Molecular Reaction Dynamics,Dynamics Research Center for Energy and Environmental Materials,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,116023,China
3.University of Chinese Academy of Science,Beijing,19 A Yuquan Road,100049,China
4.Hefei National Laboratory for Physical Sciences at the Microscale,Department of Chemical Physics,University of Science and Technology of China,Hefei,230026,China
5.Department of Chemistry,Southern University of Science and Technology,Shenzhen,1088 Xueyuan Road, Guangdong,518055,China
推荐引用方式
GB/T 7714
Liu,Xinting,Li,Bo Han,Liang,Yu,et al. Efficient generation of narrowband picosecond pulses from a femtosecond laser[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2021,92(8).
APA
Liu,Xinting.,Li,Bo Han.,Liang,Yu.,Zeng,Wen.,Li,Huang.,...&Yang,Xueming.(2021).Efficient generation of narrowband picosecond pulses from a femtosecond laser.REVIEW OF SCIENTIFIC INSTRUMENTS,92(8).
MLA
Liu,Xinting,et al."Efficient generation of narrowband picosecond pulses from a femtosecond laser".REVIEW OF SCIENTIFIC INSTRUMENTS 92.8(2021).
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