This volume contains the lectures presented at the NATO Advanced Study Institute on "Frontiers of Laser Spectroscopy of Gases" held in the Hotel Golf Mar, Vimeiro, near Torres Vedras, Portugal from 30 March to 10 April 1987. The objective of the meeting was to take stock of the recent technological developments involving lasers and to assess their impact on spectroscopy. The whole range of wavelengths from the far infrared through to the extreme ultraviolet was covered. In addition, specific applications to both atoms and molecules were described. Indeed, one of the most successful and pleasant aspects of the Institute was the joint participation of atomic physicists and molecular spectro scopists, who meet all too rarely these days. The Institute also succeeded in covering a wide time span from the very earliest days of lasers to some of the very latest developments in both lasers and their applications to spectroscopy. There were 14 invited lecturers, giving a total of 40 lectures, and 89 other participants at the Institute. Each of the invited lecturers has contributed a chapter to this volume. In addition, on Thursday 2nd April a special one-day session was held in the Chemistry Department at the University of Coimbra to mark the retirement of Professor Dr. F.
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ISBN-13
978-94-009-3003-2 (9789400930032)
DOI
10.1007/978-94-009-3003-2
Schweitzer Klassifikation
Spectroscopy Without Lasers.- Electronic Spectra.- Comparison of Classical and Laser Techniques.- Philosophical Remarks.- Infrared Lasers for Spectroscopy.- Survey of Lasers, Suitable for Spectroscopy in the Medium Infrared.- The Colour Centre Laser.- The Carbon Monoxide Laser.- Tunable Far Infrared Laser Spectroscopy.- Second Order Spectrometer.- Third Order Spectrometer.- Experimental Technique.- Results.- Conclusion.- Generation of Coherent Tunable Radiation.- Dye Lasers.- Generation of Tunable UV and IR.- Tunable VUV and XUV Radiation Generated by Frequency Mixing in Gases.- Third-Order Frequency Conversion.- Fifth-Order Frequency Mixing.- Applications.- Tunable Coherent Sources for Vacuum Ultraviolet Spectroscopy.- Stimulated Raman Scattering.- Harmonic Generation and Frequency Mixing.- Applications in Spectroscopy.- Conclusions.- The Free Electron Laser, Offspring of Synchrotron Radiation.- Synchrotron Radiation.- Insertion Devices.- Harmonic Generation.- Free Electron Laser.- Electron Accelerators.- Free Electron Laser Facilities.- Summary of FEL Properties and Applications.- Laser Doppler-Free Techniques in Spectroscopy.- In Radiofrequency Domain.- In Optical Domain.- Applications of Two-Photon Spectroscopy.- Atomic Laser Spectroscopy.- Laser Spectroscopy of Fundamental Systems.- Atomic Beams, Laser Cooling, Atomic Traps and Rydberg Atoms.- Optical Rotation Produced by Atoms.- Laser Raman Spectroscopy.- Theory of Linear Raman Processes.- Some New Aspects of Linear Gas Phase Raman Spectroscopy.- Theory of Nonlinear Raman Processes.- Coherent Raman Spectroscopy.- Techniques in Molecular Laser Spectroscopy.- Laser Stark Spectroscopy.- Laser Magnetic Resonance.- Laser Induced Fluorescence.- Double Resonance Spectroscopy.- Multiphoton Ionization Spectroscopy with Photoelectron and Mass Spectral Analysis.- Multiphoton Ionization Photoelectron Spectroscopy.- Multiphoton Ionizatíon Mass Spectroscopy.- Preparation of Free Radicals in Molecular Beams.- Applications of Laser Ionization Mass and Photoelectron Spectroscopy.- Summary.- Multiphoton Ionization Mass Spectrometry of Biomolecules.- Method.- Results.- Conclusion.- Unimolecular Decay of Energy-Selected Polyatomic Molecular Ions by Resonance-Enhanced Multiphoton Ionization in a Reflectron Mass Spectrometer.- Photoelectron Kinetic Energy Analysis.- Unimolecular Ion Decay in a Reflectron Time-of-Flight Mass Spectrometer.- Conclusion.- Infrared Spectroscopy of Molecular Ions.- Production of Molecular Ions.- Infrared Spectroscopy of Molecular Ions using Frequency Tunable Laser Sources.- Dynamics of the Photodissociation of Small Molecules.- Experimental Techniques to Analyse Product Motion.- Photodissociation of H2O in the First Absorption Band.- Weak and Strong Final State Interaction.- Conclusions.- Laser Spectroscopy of Chemical Intermediates in Supersonic Free Jet Expansions.- Supersonic Free Jet Expansions.- Spectroscopy of Ions.- Neutral Free Radicals.- Summary.- The Infrared Spectroscopy of the H3+ and HD+ Molecular Ions at their Dissociation Limits.- The Spectroscopy of H3+.- The Spectroscopy of HD+.- The Interpretation of Vibrational Overtone Spectra Observed by Fourier Transform and Laser Photoacoustic Spectroscopy.- Experimental Techniques.- Anharmonicity in a Diatomic Molecule.- A Simple Classical Model.- A Simple Quantum Mechanical Model.- Vibrational Band Intensities 475 Effects of Fermi Resonance, and Results on Dichloromethane.- Nickel Tetracarbonyl.- Discussion.- Interstellar Masers and Star Formation in the Galaxy.- Historical Notes.- Interstellar MolecularSpectroscopy.- Interstellar Masers.- Future Perspectives.
