简介：Withtherapiddevelopmentofultrafastintenselasertechnologies,theinteractionofintenselaserradiationwithmatterhasbeenafrontierforfewdecades.TheInternationalConferenceonMultiphotonProcesses(ICOMP).initiatedin1977,coversthelatestadvancesinthefieldeverythreeyears.Thespecialissueisbasedonthespiritofthe13thInternationalConferenceonMulti-PhotonProcesses,ICOMP13.whichwasheldinShanghai,organizedbyShanghai

简介：Theinfraredmulti-photondissociation（IRMPD）ofaceticanhydridetogeneratestate-selectedCH2hasbeeninvestigatedbyusingtimeandwavelengthresolvedfluorescencetechniques.IthasbeenobservedthatthegenerationofthenascentgroundstateCH2（a1A1）isdelayedbyabout0.6μsrelativetotheonsettimeoftheexcitedCH2（b1B1）.TherelativepopulationofthegroundandexcitedstateCH2andtheonsettimefortheappearanceofthegroundstateCH2havebeenfoundtodependstronglyonCO2laseroutputfluences.TheseresultsappeartohaveastrongbearingonthestructureofthepotentialenergysurfacesoftheintermediateCH2CO.Apossiblephotolysisme-chanismisproposedtoexplaintheseexperimentalresults.

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简介：Wehavestudiedthetwo-andthree-photonabsorption(2PAand3PA)propertiesofMn-dopedCsPbCl3twodimensionalnanoplatelets(2DNPs)andcubicnanocrystals.Comparedwiththeircubiccounterparts,theMn-doped2DNPsexhibitstrongerquantumconfinementeffectsthatcanmoreefficientlyenhancetheirdopantcarrierexchangeinteractionsandmultiphotonabsorption.Morespecifically,themaximumvolume-normalized2PAand3PAcrosssectionsofthe2DNPswere6.8and7.2timesgreaterthanthoseoftheircubiccounterparts,respectively,reachingupto1237GM∕nm3inthevisiblelightbandand2.24×10-78cm6·s2·photon-2∕nm3inthesecondbiologicalwindow,respectively.

简介：Femtosecond导致激光的提高回声的multiphoton电离光电子光谱学(REMPI-PS)面临二个缺点低光谱分辨率和差的选择刺激由于女人光谱带宽。我们建议一个计划获得高分辨率的选择刺激(2+1)由联合和cosinusoidal阶段调整的REMPI-PS。我们的理论结果显示(2+1)与附近的激动的状态有关的REMPI-PS信号能被阶段调整区分开来与他们的难区分的光电子系列，然后他们的选择刺激能被补加地增加cosinusoidal阶段调整认识到。而且，高分辨率的选择刺激的物理机制(2+1)REMPI-PS被考虑二光子的力量光谱解释。