NO分子A~2Σ态自发辐射寿命测量Lifetime Measurement of Spontaneous Radiation of A_2Σ state of No
杨晓冬,张连水,张贵银,赵晓辉,李裔
摘要(Abstract)：
利用激光光谱技术得到A2Σ(v′=0,1)→X2Π(v″=0)跃迁在不同气压下的时间分辨谱,在此基础上得到A2Σ(v′=0,1)两态的自发辐射寿命τ0分别为195.7ns和180.1ns及无辐射驰豫速率kq分别为4.73×104kg-1ms和3.91×104kg-1ms.同时将时间分辩谱上产生较大波动原因初步归结为较宽的激光脉宽所引起的量子拍频现象.
关键词(KeyWords)： 时间分辨谱;自发辐射寿命;量子拍频
基金项目(Foundation): 河北省自然科学基金资助项目(102090).
作者(Author): 杨晓冬,张连水,张贵银,赵晓辉,李裔
Email:
DOI:
参考文献(References)：
- [1]PengWX,LedinghuamKW.UrbanAirPollutionMonitoring:Laser-basedProcedurefortheDetectionofNOxGases[J].Analyst,October,1995,120:2573-2542.
- [2]BradshawD,RodgersMO,DaviseDD.Singlephotonlaser-inducedfluorescencedetectionofNOandSO2foratmo-sphericconditionsofcompositionandpressure[J].APPLIEDOPTICS,1982,21(14):2493-2500.
- [3]Shan-huLee,JunHirokawa,YoshizumiKajii.NewmethodformeasuringlowNOconcentrationsusinglaserinducedtwophotonionization[J].Revsciinstrum,1997,68(7).
- [4]BradshawJ,DaviseDD.Sequentialtwo-photon-inducedfluorescence:anewmethodfordetectionatmospherictracelev-elsofNO[J].OPTICSLETTERS,1982,7(5).
- [5]李云静,林美荣,皱文利.Incl分子A3П态时间分辨谱研究[J].光学学报,2000,20(7).
- [6]BradshawJ,DavisDD.Sequentialtwo-photon-laser.inducedfluorescence:anewmethodfordetectionatmospherictracelevelsofNO[J].OPTICSLETTERS,1982,7(5).
- [7]HerzbergG.MolecularSpectraandMolecularStructure[J].SpectraofDiatomicMolecules,PublishedbyVanNos-trandReinholdCompany,1953,1:113-114.
- [8]陆同兴,路轶群.激光光谱技术[M].北京:中国科技大学出版社,1999.238-241.