Photoacoustic, photothermal and photochemical processes in gases
Gas-phase photoacoustics are treated comprehensively for the first time in this book. Review articles by leading scientists in the respective research areas introduce their fields, review present knowledge and conclude with the latest developments and future prospects. Topics covered include the theory of photoacoustics in the frequency and time domains, acoustic resonator models, a great variety of experimental setups and techniques, studies of spectrocopy and fundamental kinetic processes such as energy transfer and chemical reactions, and applications such as air and exhaust monitoring and trace gas detection in biology and agriculture. The book will interest newcomers to photoacoustics, since it gives an overview of the important directions of current research and detailed descriptions of experimental methods. It will also be a valuable source of information for those already involved in photoacoustic research due to its clear presentation of theory and experimental results. All relevant literature references in this rapidly expanding field of laser applications are included.
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Principles of Photoacoustic and Photothermal Analysis
Theoretical Foundation of Photoacoustics in the Frequency
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absorbed absorption coefficient acoustic modes acoustic resonator acoustic signal analysis Appl argon calculated cavity Chem chemical reactions components concentration cylindrical deflection density dependence detection determined diameter Diebold dye laser eigenfrequencies emission equation ethylene ethylene production excited experimental experiments fluorescence function gases Hess increase intracavity ion laser kinetic laser beam laser power laser transitions lens signal Lett lock-in lock-in amplifier longitudinal mode losses measurements method microphone Moldover molecules monitoring nonradial obtained optical parameters perturbation photoacoustic cell photoacoustic effect photoacoustic signal photoacoustic spectroscopy photochemical photodissociation photothermal Phys pollution ppbV pressure probe beam probe laser processes pulse pump Q-factor radial mode range rate constant ratio refractive index relaxation resonance frequency sample sensitivity shell shown in Fig signal amplitude solution sound velocity sound wave species spectra spherical resonator Springer studies surface technique temperature theory thermal conductivity thermal lens vapor versus vibrational volume wavelength yield