supported by the National Natural Science Foundation of China(Grant Nos.12234020,12450403,and 12374263)。
This letter reports an all-optical measurement of laser electric field based on strong field ionization.By measuring the attosecond transient absorption spectra of krypton ions subjected to strong laser fields,we obta...
supported by the National Key Research and Development Program of China(Grant No.2019YFA0307703);the National Natural Science Foundation of China(Grant Nos.12234020,11874066,12274461,and11974426);the Science and Technology Innovation Program of Hunan Province(Grant No.2022RC1193)。
The ionic dynamics induced by strong-field ionization are essential to understand the fundamental physics and chemical reactions.By solving the ionization-coupling equation theoretically,we can simultaneously address ...
supported by the National Natural Science Foundation of China (Grant Nos.92150105,12227807,and 12241407);the Science and Technology Commission of Shanghai Municipality (Grant Nos.21ZR1420100,and 23JC1402000);support by a grant from the U.S.Department of Energy,Division of Chemical Sciences,Atomic,Molecular and Optical Sciences Program (Grant No.DESC0001771)。
Photoionization can generally be decomposed into a photoabsorption process plus a half-scattering process.The streaking time delay observed in the attosecond streak camera,correspondingly,can be decomposed into a phot...
supported by the National Natural Science Foundation of China(Nos.12325409,12388102 and U23A6002);the CAS Project for Young Scientists in Basic Research(No.YSBR-059);the Zhangjiang Laboratory Construction and Operation Project(No.20DZ2210300);the Shanghai Pilot Program for Basic Research–Chinese Academy of Sciences,Shanghai Branch
Rapid advancements in high-energy ultrafast lasers and free electron lasers have made it possible to obtain extreme physical conditions in the laboratory, which lays the foundation for investigating the interaction be...
The ELI ALPS project(GINOP-2.3.6-15-2015-00001)is supported by the European Union,and it is co-financed by the European Regional Development Fund.;supported by the IMPULSE project,which receives funding from the European Union Framework Programme for Research and Innovation Horizon 2020 under grant agreement no.871161.S.K.and M.U.K.also acknowledges project no.2019-2.1.13-TET-IN-2020-00059;support provided by the National Research,Development and Innovation Fund of Hungary,and financed under the 2019-2.1.13-TET-IN funding scheme.D.C.acknowledges support of this work by the Hellenic Foundation for Research and Innovation(HFRI)and the General Secretariat for Research and Technology(GSRT)under the grant no.NEA-APS HFRIFM17-3173;support from the Swedish Research Council,the European Research Council(advanced grant QPAP,884900);the Knut and Alice Wallenberg Foundation,including the Wallenberg Center for Quantum Technology(WACQT).
Advancements in light engineering have led to the creation of pulsed laser sources capable of delivering high-repetition-rate,high-power few-cycle laser pulses across a wide spectral range,enabling exploration of many...
supported by the National Key Research and Development Program of China(grant no.2019YFA0307703);the Major Research Plan of the National Natural Science Foundation of China(grant no.91850201);the National Natural Science Foundation of China(grant nos.12234020 and 11974426).
Ultrashort laser pulses can serve as fast probes to record instant events.The isolated attosecond pulses(IAPs)generated from high-order harmonic generation(HHG)have been shortened down to about 2 atomic units in time,...
supported by the National Natural Science Foundation of China(Nos.12105362,12375244,12275356,12135009,U2241281 and 12175310);the Natural Science Foundation of Hunan Province(No.2022JJ20042);the Innovation Foundation for Graduate Students(No.CX20220048)
Isolated multi-MeV γ-rays with attosecond duration,high collimation and beam angular momentum(BAM)may find many interesting applications in nuclear physics,astrophysics,etc.Here,we propose a scheme to generate such ...
supported by the National Natural Science Foundation of China(Grant Nos.12134005,12374260,12074240,12004133,92261201,12274179 and 12204135);the National Basic Research Program of China(No.2019YFA0307700);Hainan Provincial Natural Science Foundation(Grant Nos.122CXTD504,123MS002 and 122QN217).
Angular streaking technique employs a close-to-circularly polarized laser pulse to build a mapping between the instant of maximum ionization and the most probable emission angle in the photoelectron momentum distribut...
funding from the European Union’s Horizon 2020 research and innovation programme(grant agreement No 871161,IMPULSE)and European Research Council(ERC):ERC Synergy grant agreement no.
Isolated attosecond pulse(IAP)generation usually involves the use of short-medium gas cells operated at high pressures.In contrast,long-medium schemes at low pressures are commonly perceived as inherently unsuitable f...
National Natural Science Foundation of China(62071055,62135014);BUPT Excellent Ph.D.Students Foundation(CX2022212)。
The fiber-optic sensor is a great candidate in the field of metrology,developed to rely on the optical phase to convey valuable information.Some phase amplification methods have attracted wide attention due to their a...