Ultrafast Nonlinear Optical Properties of Conjugated Polymers and their Mechanisms

(1)超短光脉冲蓝宝石参量振荡器与放大器的研制(2)超快时间分辨光谱仪的发展飞秒泵浦探测实验飞秒近红外短脉冲飞秒近红外光谱仪皮秒时间分辨拉曼光谱仪(3)飞秒干涉光谱学的发展及其应用频域干涉仪（FDIF）的发展用FDIF测量群速度色散用FDIF测量超快动力学用FDIF测量(4)共轭聚合物的时间分辨非线性光学性质；(4)取代聚乙炔的快速近红外光谱；(4)分解瞬态光谱的分配；(5)共轭聚合物的光谱性质及相关一维系统；(5)聚合物的微秒时间分辨振动光谱寡硫噻吩的飞秒时间分辨发光光谱卤素桥接金属配合物的飞秒时间分辨吸收光谱(6)菁j -聚集体的非线性光学和超快动力学j -聚集体的飞秒激发动力学和反拉曼过程分散在聚合物薄膜中的定向j -聚集体的制备定向j -聚集体的线性二色性、孔燃烧和电吸收定向j -聚集体的层次结构

(1) Development of Ultrashort Light PulsesTi : sapphire Parametric Oscillator and AmplifierCr : forsterite Laser Oscillator and Dye Amplifier(2) Development of Ultrafast Time-Resolved SpectrometersFemtosecond Pump-Probe ExperimentsUltrashort Near-Infrared PulsesFemtosecond Near-Infrared SpectrometerPicosecond Time-Resolved Raman Spectrometer(3) Develpoment of Femtosecond Interferometric Spectroscopy and Its ApplicationDevelpoment of Frequency Domain Interferometer (FDIF)Measurement of Group Velocity Dispersion Using FDIFMeasurement of Ultrafast Dynamics Using FDIFMeasurement of Time-Resolved Difference Phase Spectra Using Sagnac Interferometer(4) Time-Resolved Nonlinear Optical Properties of Conjugated PolymersUltrafast Near-Infrared Spectroscopy of Substituted PolyacetyleneAssignment of Decomposed Transient SpectraSpectra of Nonlinear Elementary ExciationsRelaxation in Polymers Studied by Time-Resolved Raman Gain Spectroscopy(5) Spectroscopic Properties of Conjugated Polymers and Related One-Dimensional SystemsPicosecond Time-Resolved Vibration Spectroscopy of OligothiophenesFemtosecond Time-Resolved Luminescence Spectroscopy of OligothiophenesFemtosecond Time-Resolved Absorption Spectroscopy of Halogen Bridged Metal Complexes(6) Nonlinear Optics and Ultrafast Dynamics in Cyanine J-aggregatesFemtosecond Excition Dynamics and Inverse Raman Process in J-aggregatesPreparetion of Oriented J-aggregates Dispersed in Polymer FilmsLinear Dichroism, Hole-burning, and Electroabsorption in Oriented J-aggregatesHierarchical Structure of Oriented J-aggregates