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I. Study of Lasers and Related Techniques Suitable for Applications in Chemistry and Spectroscopy.- Rare Gas Halogen Lasers and Photochemical Applications.- Group VI Molecular Photolytic Dissociation Studies Using Rare Gas Halide Lasers.- Broadly Tunable UV Source Based on Stimulated Raman Scattering.- Laser-Induced Intermolecular and Intramolecular Energy Transfer Processes.- A New Method for Exposing Mammalian Cells to Intense Laser Radiation Using the Evanescent Fields Created in Optical Waveguides.- Time-Dependent Kinetic-Thermodynamic Description of a Nonequilibrium Molecular System: The HF Chemical Laser.- Low-Temperature Performance of Roto-Vibrational Molecular Lasers.- HBr Laser Emission at 4 ?m Based on the Chemical Generation of Bromine Atoms.- Tunable Infrared Generation from Four-Wave Mixing in Room-Temperature Germanium.- II. Spectroscopic Studies with and Related to Lasers.- High-Resolution Double-Resonance Spectroscopy of SF6.- High-Resolution Coherent Raman Spectroscopy of Methane and Intensity of CARS vs Pressure in Gases.- Molecular Spectroscopy of NO and C2H4 Using Step-Tunable IR Lasers and the External Resonator Controlled Spin-Flip Raman Laser.- Photophysics of Gaseous UF6 in the UV: Energy Balance Through Quantum Efficiency Measurements.- Optical Dephasing in Molecular Iodine.- An Efficient Algorithm for the Study of Nonlinear Resonant Propagation of Two Concomitant Optical Pulses Interacting with a Three-Level Atomic System.- The Influence of Hyperfine Coherence and of Elastic Collisions on the Circular Polarisation of Emission from Li2.- Collisional Depolarization and Rotational Energy Transfer of the 7Li2B1?u-Li2S1/2 System Using Laser-Induced Fluorescene.- Saturated Absorption Experiments on a Molecule Dressed by a Radio-frequency Field.- dc Magnetic Field Effects on Polarized Monochromatic Laser Radiation Absorption in Electronic Transitions: A Simple Model.- Effect of Two-Photon Saturation on Ordinary Raman Scattering.- Predissociation in the Ã? A? State of HNO.- Photoassociation of Heavy Metal Excimers: Spectroscopic, Kinetic, and Laser Applications.- Dye-Laser-Induced Emission from the KXe Molecule.- Laser-Induced Emission from the NaK Molecule in a Supersonic Beam.- The Singlet-Triplet Energy Separation of CH2 and Spectroscopy of the ã1A1 State.- Time-Resolved Fluorescence Spectroscopy Using Pulsed Laser Excitation.- Ultrafast Spectroscopy with a Streak Camera: Excited State Spectroscopy and Kinetics of Coumarin Derivatives.- Laser-Induced Processes in Phthalocyanines.- Fluorescence Decay-Time Measurement of Rhodamine 6G and Rhodamine B in Different Solutions.- Laser Flash Spectroscopy of 4-Nitrostilbenes and Thioindigo Dyes; Configuration of the Triplet State in Solution.- III. Multiphoton Excitation, Dissociation and Ionization.- Laser-Induced Unimolecular Reactions.- Time and Intensity Dependence of the Infrared Absorption of SF6: Measurements with an Injection-Locked Single Mode TEA CO2 Laser.- IR Absorption of Highly Excited SF6.- Absorption of Intense Laser Radiation by SF6 and S2F10.- Collisional Effects in the Multiple-Photon Infrared Laser Pumping of Polyatomic Molecules.- Coherent Pulse Propagation Effects in Multilevel Molecular Systems.- The Influence of Intensity and Laser-Energy Fluence in Unimolecular Reactions Induced by Monochromatic Infrared Radiation (URIMIR).- On the Dynamics of Multiphoton Dissociation of Polyatomic Molecules II. Application to O3.- Nonthermal Theory of Threshold Behaviour of Collisionless Multiphoton Dissociation.- An Anharmonic Model for Molecular Photo-Excitation.- Dynamic Stark Splitting of Multiphoton Absorption Resonances.- Polarization Selection Rules for Two-Photon Processes.- Doppler-Free Raman Spectroscopy and Suppression of Molecular Doppler-Broadened Transitions Induced by Laser Field.- Laser-Controlled Unimolecular and Bimolecular Processes: Field-Dependent Rate "Constants".- Laser-Induced Predissociation of Diatomic and Polyatomic Molecules by the Photo-Catalytic Effect.- Possibility of Hole Burning in Single Quantum Power Spectrum Due to Autler-Townes Splitting.- Computation of Rovibrational Multiphoton Spectra: Application to CO.- Crossed Laser and Molecular Beam Study of Multiphoton Dissociation of C2F5Cl.- Study of Primary Characteristics of Multiple IR Photon Excitation and Dissociation of CF3I.- Photofragment Spectroscopy of Multiple Photon Dissociation by Laser-Induced Fluorescence.- Laser-Excited Fluorescence Studies of IR Multiple Photon Dissociation Fragments: NH2(2B1) from CH3NH2 and NH3.- Time Behavior of CN Radicals in Laser-Initiated Thermal Isomerization of CH3NC.- Laser-Induced Decomposition of Methanol: A Comparative Study Using Pulsed HF and CO2 Lasers.- IR Laser Sensitised Chemical Reactions of Polyatomic Molecules.- Excitation of Ammonia in the Megawatt Region Using a CO2 Laser.- Reaction Between CH3NO2 and H2 Induced by CO2 Laser Pulses.- Multiphoton Dissociation in Formaldehyde.- Multiphoton Vacuum UV Photodissociation of Simple Polyatomic Molecules.- Mass Selective Two-Photon Ionization of a Polyatomic Molecule.- IV. Laser Control of Chemical Reactions.- Laser-Induced Chemical Processes: Reactions with Oriented Reagents.- Laser-Induced Fluorescence Study of the Reactions of F Atoms with CH3I, CF3I and ICl.- A Laser-Induced Fluorescence Study of the Reaction Ca + CCl4?CaCl + CCl3.- cw Laser-Induced Fluorescence Study of Ba + SO2: Vibronic Distribution of BaO as a Function of Collisional Energy.- Laser Studies of the Relaxation and Reaction of Species in Defined Quantum States.- Calculated Infrared Photodissociation Cross Section of H2+ and HD+.- Pulsed Molecular Beam Study of Ethylene Dimer Photodissociation with a CO2 Laser.- Photodissociation Lifetimes of Van der Waals Complexes.- Towards Resonant Single Photon Dissociation of SF6.- Photon-Enhanced Dissociative Electron Attachment in SF6.- Laser Specific Versus Thermal Reactions.- Deuterium Enrichment by cw Vibrational Photochemistry of Methane-Economic Considerations.- Laser-Induced Chemical Reaction of BCl3 with CH4.- Study of the cw Laser-Induced Reaction of CH3CF2Cl.- IR Photochemistry in an Electronically Excited State.- Single-Photon Infrared Photochemistry: Wavelength and Temperature Dependence of the Quantum Yield for the Laser-Induced Ionization of Water.- A Laser Study of the Cage Effect in High-Pressure Gases: Iodine and Bromine Photodissociation.- Isotope Selective Molecular Spectroscopy and Production of Isotopically Pure Molecules with a Dye Laser.- Selective Photoaddition of Iodine Chloride to Acetylene: Pressure, Buffer, and Wavelength Dependence of Enrichment.- Laser-Induced Photolysis of Ozone Reactions of O(3P), O(1D) and O2(1?).- Time-Resolved Studies of Reactions of I (2P1/2).- Infrared Laser-Induced Photochemistry in the Solid State.- V. Molecular Relaxation.- Ultrafast Vibrational Relaxation of Polyatomic Molecules.- Generation of Time-Correlated Picosecond Laser Pulses and Their Application for Rapid Sampling of Optical Relaxation Phenomena.- Electronic to Vibrational Energy Transfer and Infrared Lasers.- Inelastic Collisions in a Potentially Reactive System: Rotational Energy Transfer in the à 2A1 Excited State of NH2 Induced by Collisions with H Atoms.- Vibrational Relaxation of Ethylene Excited with a Parametric Oscillator.- Vibrational Relaxation of HF (v = 3, 4) by HF, H2, D2, CO2, and Isobutene.- Study of Energy Transfer in Methane by Excitation of Fundamental, Overtone, and Combination Bands.- Line Selective Excitation of Ethylene with CO2 Laser Light and Vibrational Relaxation.- Vibrational Energy Transfer at Low Temperatures: CD3F in Rare Gas and Nitrogen Matrices.- Laser-Induced Vibrational Fluorescence in Matrix Isolated Molecules.- Quenching of NO2 (2B1) and (2B2).- Quenching of C2(a3?u) Produced in an Intense Infrared Laser Field.- Time-Resolved Geometrical Optics in Molecular Pumping Experiments.- Energy Transfer in Biologically Interesting Molecules.- Index of Contributors.- The Quantum Electronics Division of the European Physical Society - Information.