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Self-consistent extraction of photoabsorption time delays in attosecond streak camera: 《Science China(Physics,Mechanics & Astronomy)》2024年第12期8-16,共9页Yutong Gao Hongcheng Ni Andreas Becker Jian Wu; 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...; 关键词：attosecond streak camera photoabsorption time delay PHOTOIONIZATION

Achieving higher photoabsorption than groupⅢ-Ⅴsemiconductors in ultrafast thin silicon photodetectors with integrated photon-trapping surface structures被引量：3: 《Advanced Photonics Nexus》2023年第5期33-43,共11页Wayesh Qarony Ahmed S.Mayet Ekaterina Ponizovskaya Devine Soroush Ghandiparsi Cesar Bartolo-Perez Ahasan Ahamed Amita Rawat Hasina H.Mamtaz Toshishige Yamada Shih-Yuan Wang M.Saif Islama; supported in part by the US Army’s Night Vision and Electronic Sensors Directorate(Grant No.W909MY-12-D-0008);NSF ECCS(Grant No.1428392)。; The photosensitivity of silicon is inherently very low in the visible electromagnetic spectrum,and it drops rapidly beyond 800 nm in near-infrared wavelengths.We have experimentally demonstrated a technique utilizing ...; 关键词：PHOTOABSORPTION photon trapping group-velocity reduction PHOTODETECTORS silicon photonics

Photoabsorption analysis of metal nanoparticles by hybrid quantum/classical scheme: 《Optoelectronics Letters》2022年第9期519-524,共6页Bashir Fotouhi; The hybrid quantum/classical scheme(HQCS) is used for the photoabsorption analysis of metal nanoparticles. The HQCS divides the structure of interest into quantum and classical subsystems. First, we calculate and repo...; 关键词：QUANTUM ABSORPTION SCHEME

Li(2p←2s)+Na(3s)pressure broadening in the far-wing and line-core profiles: 《Chinese Physics B》2022年第7期247-254,共8页F Talbi N Lamoudi L Reggami M T Bouazza K Alioua M Bouledroua; realized within the framework of the PNR project 8/423/4388;support from the Algerian Ministry of Higher Education and ANDRU。; This work reports pressure-broadening line-wing and line-core of the lithium Li(2p←2s)resonance line perturbed by ground sodium Na(3s)atoms.In far-wing regions,the calculations are performed quantum-mechanically and ...; 关键词：pressure broadening line-core broadening far-wing spectra PHOTOABSORPTION

Angle-tunable intersubband photoabsorption and enhanced photobleaching in twisted bilayer graphene被引量：1: 《Nano Research》2021年第8期2797-2804,共8页Eva A.A.Pogna Xianchong Miao Driele von Dreifus Thonimar V.Alencar Marcus V.O.Moutinho Pedro Venezuela Cristian Manzoni Minbiao Ji Giulio Cerullo Ana Maria de Paula; support from Graphene FET Flagship Core 3 Project,Grant No.881603;the Brazilian funding agencies:FAPERJ(grant number E-26/010.101126/2018),Fapemig,CNPq,Capes and INCT Carbon Nanomaterials.Prof.; Van der Waals heterostructures obtained by artificially stacking two-dimensional crystals represent the frontier of material engineering,demonstrating properties superior to those of the starting materials.Fine contro...; 关键词：twisted bilayer graphene transient absorption microscopy hot-photoluminescence van der Waals heterostructures optoelectronic properties van Hove singularities

Study of Microscopic Giant Dipole Resonance Parameter from Photoabsorption Cross Section: 《中国原子能科学研究院年报》2018年第1期101-102,共2页TIAN Yuan TAO Xi WANG Jimin XU Ruirui GE Zhigang; Supported by IAEA Coordinated Research Project(F4103220466);National Natural Science Foundation of China(U1432247,11775013,11305270,11465005,U1630143);Science Challenge Project(TZ2018001);Key Laboratory Fund Key Projects(6142A080201); γray data to extract Photon Strength Functions(PSF)and photonuclear cross sections are necessary for energy,safety and medical applications as well as for nuclear physics and astrophysics.In recent years,a big intern...; 关键词：GDR STUDY PHOTOABSORPTION CROSS SECTION

Attosecond transient absorption spectroscopy:Comparative study based on three-level modeling: 《Chinese Physics B》2018年第1期341-345,共5页杨增强叶地发傅立斌; Project supported by the National Natural Science Foundation of China(Grant Nos.11674034 and 11564033);the Foundation of President of the China Academy of Engineering Physics(Grant No.2014-1-029); In the present paper, the time-resolved transient absorption spectroscopy of helium atoms is investigated based on the three-level modeling. The helium atoms are subjected to an extreme ultraviolet （XUV） attosecond ...; 关键词：extreme ultraviolet （XUV） PHOTOABSORPTION time delay three-level model

Photoabsorption cross sections of the alkaline-earth-metal elements under strong interaction conditions: 《Chinese Physics B》2011年第6期441-446,共6页刘萌萌马晓光; Project partly supported by the University Science & Technology Planning Program of Shandong Province of China (Grant No. J10LB60);Discipline Construction Fund and 2009 Technology Innovation Fund of Ludong University (Grant No. 09L026); The strong interatomic interaction effects on photoabsorption cross sections of a private atom have been interpreted by the contribution of both the real and imaginary parts of atomic polarizability in the present wor...; 关键词：condensed-phase photoabsorption complex polarizability alkaline-earth-metal elements

Influence of Integral Instability of Kramers-Kronig Transformation on Photoabsorption Cross Sections被引量：1: 《Communications in Theoretical Physics》2009年第8期369-376,共8页MA Xiao-Guang GONG Yu-Bing QU Zhao-Jun; Supported by the Natural Science Foundations of Ludong University under Grant Nos.22270301 and L20072804; The photoabsorption cross sections of condensed atoms and molecules have proven to be dependent not only on the imaginary parts but also on the real parts of the polarizabilities due to the strong interatomie interact...; 关键词：condensed-phase photoabsorption Kramers-Kronig transformation dynamic polarizability

Variation of photoabsorption cross section of atomic silver from isolated to condensed conditions: 《Chinese Physics B》2009年第4期1451-1457,共7页马晓光龚玉兵曲照军; Project supported by the Natural Science Foundation of Ludong University, China (Grant Nos 22270301 and L20072804); The influence of the local-field on the photoabsorption cross section of the atomic silver is studied in detail by using the Clausius-Mossotti （CM） model and the Onsager model separately. The variations of the photo...; 关键词：condensed-phase photoabsorption local field dielectric constant SILVER

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