FEMTOSECOND

作品数:514被引量:712H指数:12
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相关领域:电子电信理学机械工程更多>>
相关作者:张冰龙金友王艳梅王建平戴东旭更多>>
相关机构:中国科学院中山大学吉林大学中国科学技术大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Channel competition in dissociation of ammonia clusters(n≤5)induced by femtosecond laser fields
《Chinese Physics B》2025年第3期355-359,共5页Tao Yang Xinyu Zhang Xing Li Wankai Li Menghao Wei Dongdong Zhang Lanhai He Dajun Ding 
Project supported by the National Natural Science Foundation of China(Grant Nos.92261201,12134005,12334011)。
We investigated the ionization and dissociation processes of ammonia clusters ranging from dimer to pentamer induced by 800-nm femtosecond laser fields.Time-of-flight(TOF)mass spectra of the ammonia clusters were reco...
关键词:ammonia cluster ionization and dissociation femtosecond laser 
Fabrication of high-quality surface microtextures on GaN by femtosecond laser direct writing
《Nanotechnology and Precision Engineering》2025年第1期45-57,共13页Rushuai Hua Zongwei Xu Zhixiang Tao Bing Dong Hong Wang Long Yang 
supported by the Henan Key Laboratory of Intelligent Manufacturing Equipment Integration for Superhard Materials(Grant No.JDKJ2022-01);the National Natural Science Foundation of China(Grant Nos.52035009 and 51761135106);the 2020 Mobility Programme of the Sino-German Center for Research Promotion(Grant No.M-0396);the“111”project by the State Administration of Foreign Experts Affairs and the Ministry of Education of China(Grant No.B07014).
Gallium nitride(GaN),as a third-generation semiconductor,is highly attractive due to its exceptional physical and chemical properties.Laser direct writing offers an efficient method for the precise processing of hard ...
关键词:Femtosecond laser Laser processing Texture GAN RAMAN 
Stable cascaded femtosecond optical parametric amplifiers in the NIR-I region at 50 MHz
《Chinese Optics Letters》2025年第1期107-112,共6页Xiaoxuan Zhu Jue Wang Xuechen Gao Jintao Fan Minglie Hu 
supported by the National Key R&D Program of China(No.2023YFB3611000);the National Natural Science Foundation of China(Nos.62105237 and 62227821)。
We experimentally demonstrate a continuous-wave(CW)injection-seeded cascaded optical parametric amplifier(OPA)for generating femtosecond pulses in the NIR-I spectral region.Utilizing a cascaded two-stage configuration...
关键词:continuous-wave injection cascaded optical parametric amplifier superior power stability high beam quality 
Delayed optical feedback-regulated artificial soliton molecule in a femtosecond optical parametric oscillator
《PhotoniX》2024年第1期34-53,共20页Yu Cai Jintao Fan Fanchao Meng Youjian Song Minglie Hu 
supported by the National Key R&D Program of China(Grant No.2023YFB3611000);the National Natural Science Foundation of China(NSFC)(Grant Nos.62205121,62235014,62105237,and 62227821).
Soliton molecules(SMs)play a crucial role in nonlinear optical systems,enriching our understanding of nonlinear science through the study of their interaction dynamics.While passively mode-locked fiber lasers offer an...
关键词:Soliton molecule FEMTOSECOND Optical parametric oscillator Delayed optical feedback 
Mode-switchable femtosecond vortex lasers
《Chinese Optics Letters》2024年第12期80-84,共5页Xiaoqian Zhou Xuehong Cao Luyang Tong Changdong Chen Yangjian Cai Lina Zhao 
supported by the National Key Research and Development Program of China(Nos.2022YFA1404800 and 2019YFA0705000);the National Natural Science Foundation of China(Nos.12274267,12192254,92250304)。
A mode-switchable femtosecond vortex laser is innovatively developed in a Yb:KGW-based resonator.The unique structure is designed to achieve a transition between different transverse modes.In a normal cavity,416 fs TE...
关键词:ultrafast laser vortex laser solid-state laser 
Field intensity dependence of the dissociative multiple ionization of argon dimers in strong femtosecond laser fields
《Science China(Physics,Mechanics & Astronomy)》2024年第12期70-78,共9页Pan Song Yalei Zhu Xiaowei Wang Congsen Meng Tao Jiang Zhihui Lv Dongwen Zhang Chaochao Qin Zengxiu Zhao Jianmin Yuan 
supported by the National Key Research and Development Program of China(Grant No.2019YFA0307700);the Major Research Project of National Natural Science Foundation of China(Grant No.91850201);the Key Program of the National Natural Science Foundation of China(Grant No.12234020);the NSAF Joint Fund(Grant No.U1830206);the National Natural Science Foundation of China(Grant Nos.11974426,11974425,11774322,12104508,12404331,and12374263)。
The dissociative ionization of Ar dimers is investigated in femtosecond laser fields with intensities from 260 to 1020 TW/cm^(2).The three-dimensional momentum and kinetic-energy release of fragmental ions generated f...
关键词:femtosecond laser charge transfer Coulomb explosion frustrated tunneling ionization 
High performance laser induced plasma assisted ablation by GHz burst mode femtosecond pulses
《Opto-Electronic Advances》2024年第12期1-3,共3页Jingbo Yin Yulong Zhao Minghui Hong 
High performance laser micromachining based on the combination of GHz burst mode femtosecond pulses irradiation and laser induced plasma assisted ablation can open a new avenue for high-quality and high-efficiency mic...
关键词:LASER SAPPHIRE FEMTOSECOND 
Unraveling ethylene carbonate-propylene carbonate disparity at electrode interface using femtosecond sum frequency generation vibrational spectroscopy
《Chinese Journal of Chemical Physics》2024年第6期729-736,I0001-I0007,I0041,共16页Zhuo Wang Xiaoxuan Zheng Zijian Ni Shuji Ye 
supported by the National Natural Science Foundation of China(No.21925302);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0450202).
Ethylene carbonate(EC)is an important electrolyte used in lithium-ion batteries due to its excellent electrochemical performance.However,propylene carbonate(PC)differs from EC by only one methyl substituent and exhibi...
关键词:Sum frequency generation vibrational spectroscopy Ethylene carbonate Propylene carbonate Solid electrolyte interphase 
Additive and subtractive hybrid manufacturing assisted by femtosecond adaptive optics
《Photonics Research》2024年第12期2772-2783,共12页ERSE JIA CHEN XIE YUE YANG XINYU MA SHIXIAN SUN YANFENG LI XUEQIAN ZHANG MINGLIE HU 
National Natural Science Foundation of China(62275191,61827821,61605142);Tianjin Research Program of Application Foundation and Advanced Technology(17JCJQJC43500);Key Laboratory of Optoelectronic Information Technology,Ministry of Education(2023KFKT006).
Advanced micro–nano devices commonly require precise three-dimensional(3D)fabrication solutions for predesigning and integrating 0D to 3D configurations.The additive–subtractive hybrid manufacturing strategy dominat...
关键词:OPTICS ADDITIVE integrating 
Ultrarelativistic Fe plasma with GJ/cm^(3) energy density created by femtosecond laser pulses
《Matter and Radiation at Extremes》2024年第6期70-80,共11页Mariya Alkhimova Igor Skobelev Tatiana Pikuz Sergey Ryazantsev Hironao Sakaki Alexander S.Pirozhkov Timur Zh.Esirkepov Akito Sagisaka Nicholas P.Dover Kotaro Kondo Koichi Ogura Yuji Fukuda Hiromitsu Kiriyama Keita Nishitani Sergey Pikuz Masaki Kando Ryosuke Kodama Kiminori Kondo Mamiko Nishiuchi  
carried out within the framework of Program 10 “Experimental laboratory astrophysics and geophysics,NCPM.”。
The generation of a plasma with an ultrahigh energy density of 1.2 GJ/cm^(3)(which corresponds to about 12 Gbar pressure) is investigated by irradiating thin stainless-steel foils with high-contrast femtosecond laser ...
关键词:LASER FEMTOSECOND ENERGY 
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