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Book Synopsis Acoustic Resonance Phase Locked Photoacoustic Spectrometer by :
Download or read book Acoustic Resonance Phase Locked Photoacoustic Spectrometer written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A photoacoustic spectroscopy method and apparatus for maintaining an acoustic source frequency on a sample cell resonance frequency comprising: providing an acoustic source to the sample cell to generate a photoacoustic signal, the acoustic source having a source frequency; continuously measuring detection phase of the photoacoustic signal with respect to source frequency or a harmonic thereof; and employing the measured detection phase to provide magnitude and direction for correcting the source frequency to the resonance frequency.
Book Synopsis Acoustic Resonance Frequency Locked Photoacoustic Spectrometer by :
Download or read book Acoustic Resonance Frequency Locked Photoacoustic Spectrometer written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A photoacoustic spectroscopy method and apparatus for maintaining an acoustic source frequency on a sample cell resonance frequency comprising: providing an acoustic source to the sample cell, the acoustic source having a source frequency; repeatedly and continuously sweeping the source frequency across the resonance frequency at a sweep rate; and employing an odd-harmonic of the source frequency sweep rate to maintain the source frequency sweep centered on the resonance frequency.
Book Synopsis Photoacoustic Effect Principles and Applications by : E. Lüscher
Download or read book Photoacoustic Effect Principles and Applications written by E. Lüscher and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photoacoustic and Photoacoustic Spectroscopy by : Allan Rosencwaig
Download or read book Photoacoustic and Photoacoustic Spectroscopy written by Allan Rosencwaig and published by John Wiley & Sons. This book was released on 1980-11-21 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: History of photoacoustics. Theory of pas of gases. Gas pas systems. Radiation sources. Photoacoustic spectroscopy of gases. Deexcitation studies in gases. Other gas pas experiments. General theory of the photoacoustic effect in condensed media: the gas-microphone signal. General theory of the photoacoustic effect in condensed media: the piezoelectric signal. Photoacoustic theory made easy. Photoacoustic spectrometers for condensed samples. Photoacoustic experiments with liquids. Spectroscopy studies. Chemical studies. Surface studies. Studies in biology. Studies in medicine. Deexcitation processes in condensed media. Thermal processes. Depht-profiling and tickness measurements. Experiments at low temperatures. Photoacoustic microscopy (PAM).
Book Synopsis Photoacoustic and Photothermal Phenomena II by : John C. Murphy
Download or read book Photoacoustic and Photothermal Phenomena II written by John C. Murphy and published by Springer. This book was released on 2013-06-29 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photothermal science continues to be an area of rapid development and active investigation, as is demonstrated by this volume. The various contributions present fundamental research in materials science, physics, chemistry, biology, and medicine, as well as important applications of photothermal techniques in nondestructive evaluation, aeronomy and pollution control, and other areas. The topics treated include measurements of spectral properties of gases, the theory of thermally generated elastic waves, a method of monitoring local surface displacements, materials characterization and nondestructive evaluation of materials, studies of the dynamics of primary photophysical processes, fast energy exchange at surfaces and at interfaces (e.g. in medicine and photobiology), thermal EXAFS and XANES applied to metals and semiconductors, and imaging of magnetic materials using microwave sources.
Book Synopsis Photoacoustic and Photothermal Spectroscopy by : Surya N. Thakur
Download or read book Photoacoustic and Photothermal Spectroscopy written by Surya N. Thakur and published by Elsevier. This book was released on 2022-12-07 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoacoustic and Photothermal Spectroscopy: Principles and Applications introduces the basic principles, instrumentation and major developments in the many applications of Photoacoustic and Photothermal Spectroscopy over the last three decades. The book explains the processes of sound generation by periodic optical excitation and ultrasonic generation by pulsed laser excitation and describes the workings of photoacoustic cells equipped with microphones and piezoelectric transducers. Photoacoustic imaging (PAI) is one of the fastest-growing imaging modalities of recent times. It combines the advantages of ultrasound and optical imaging techniques. These non-invasive and non-destructive techniques offer many benefits to users by enabling spectroscopy of opaque and inhomogeneous materials, (solid, liquid, powder, gel, gases) without any sample preparation, and more. - Written in a non-mathematical, simple-to-read manner - Presents recent developments in the field, along with the scope of future progress, including up-to-date references - Includes detailed illustrations, such as equipment layout, spectra, experimental setups, tables, photographs, and more
Book Synopsis Photoacoustic IR Spectroscopy by : Kirk H. Michaelian
Download or read book Photoacoustic IR Spectroscopy written by Kirk H. Michaelian and published by John Wiley & Sons. This book was released on 2010-12-01 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable and up-to-date source on instruments and applications covers everything needed to employ a technique for investigating various gases and materials, including biomaterials. It includes the latest developments in light sources, signal recovery and numerical methods. There is no other single publication that reviews the entire subject of photoacoustic infrared spectroscopy in such detail. Physicists, chemists, and spectroscopists in both academic and industrial laboratories, polymer and organic chemists, analysts in industry, forensic and government laboratories, and materials scientists will find this book to be a vital resource.
Book Synopsis Photoacoustic, Photothermal and Photochemical Processes in Gases by : Peter Hess
Download or read book Photoacoustic, Photothermal and Photochemical Processes in Gases written by Peter Hess and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Optoacoustic Spectroscopy and Detection by : Yoh-Han Pao
Download or read book Optoacoustic Spectroscopy and Detection written by Yoh-Han Pao and published by Elsevier. This book was released on 2012-12-02 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optoacoustic Spectroscopy and Detection discusses the fundamental principles and practice of optoacoustic spectroscopy. This book serves as a basis for evaluation of the feasibility of using such techniques in specific instances. Organized into eight chapters, this book starts with an overview of the detection and identification of gas contaminants, which is necessary to understand the physical description of the generation and measurement of the optoacoustic signal. This text then provides an understanding of the optoacoustic effect on a molecular scale and describes the energy transfer processes and estimates of the lifetimes of vibrationally excited states. Other chapters consider the options available to the researcher in the selection of optoacoustic system design. This book discusses as well the capabilities and limitations of various optoacoustic system designs. The final chapter deals with the technique used for exploring the absorption spectra of substances, including powders, gels, adsorbed films, and organic tissues. This book is a valuable resource for researchers and graduate students engaged in the study of optoacoustic spectroscopy.
Book Synopsis Picosecond Spectroscopy Using a Photoacoustic Detector by : Jean-Marc Heritier
Download or read book Picosecond Spectroscopy Using a Photoacoustic Detector written by Jean-Marc Heritier and published by . This book was released on 1983 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photoacoustic and Photothermal Phenomena by : Peter Hess
Download or read book Photoacoustic and Photothermal Phenomena written by Peter Hess and published by Springer. This book was released on 2013-06-29 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: photoacoustic and Photothermal Phenomena contains reviews and a large numberof selected contributed papers reporting progress in the application of new photoacoustic and photo- thermal techniques in physics, chemistry, biology, medicine and materials science. Theoretical and experimental work is presented on spectroscopy, kinetics and relaxation, trace analysis, mass and heat transport, surfaces and thin films, nondestructive evaluation,ultrasonics and semiconductors.
Book Synopsis Viscous and Thermal Effects on Resonant Photo-acoustic Spectroscopy by : William J. Koenitzer
Download or read book Viscous and Thermal Effects on Resonant Photo-acoustic Spectroscopy written by William J. Koenitzer and published by . This book was released on 1980 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Photo-acoustic effect occurs when a chopped beam of light shining on an absorbing gas produces sound waves. From the amplitude of these waves one can infer the absorption spectrum of a known sample, or detect trace gases in an unknown sample. While the signal strength is inversely proportional to the sample chamber volume, in some cases it is advantageous to design a large cell as an acoustic resonance chamber, and modulate the excitation beam at a natural frequency of the chamber. The resonant amplification factor Q(W) depends upon the system losses. The dominating loss mechanisms are the thermal and viscous boundary layer effects. By rescaling the local coordinates, one can include these losses, neglecting terms smaller than the boundary layer thickness, simply by modifying the boundary conditions for the non-dissipative wave equation. From there one can derive an equation for Q(W) applicable at all sample chamber resonances. This equation will be useful in evaluating the relative advantages of resonant and non-resonant photo-acoustic spectroscopy. An experiment conducted with a Krypton/Argon laser shining on a one atmosphere sample of dry air with .5% NO2 enclosed in a cylinder resulted in amplification factors less than those predicted. An analysis of the data, and the results of later experiments at lower pressures indicated that the unpredicted losses were probably due to imperfect cell construction. (Author).
Book Synopsis Photoacoustic and Photothermal Phenomena III by : Dane Bicanic
Download or read book Photoacoustic and Photothermal Phenomena III written by Dane Bicanic and published by Springer. This book was released on 2013-06-29 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoacoustic and Photothermal Phenomena III comprises contributions explaining new topics, relevant theories, novel methods, and the developmentof instrumentation in this active research area - information that is otherwise not available in a single volume. Particular emphasis is placed on the variety of applications of photoacoustic and photothermal techniques in disciplines ranging from environmental, agricultural, medical, and biological sciences to spectroscopy, nondestructive evaluation, materials characterization, heat and mass transfer, kinetics (including ultrafast phenomena), and solid-state and surface physics. This volume provides an excellent overview of the spectrum of activities in the photoacoustic and photothermal field worldwide, and thus is suitable both for the specialist and for the newcomer to this multidisciplinary research area.
Book Synopsis Photoacoustic and Photothermal Spectroscopy by : J. Badoz
Download or read book Photoacoustic and Photothermal Spectroscopy written by J. Badoz and published by . This book was released on 1983 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Al Jolson written by Larry F. Kiner and published by Metuchen, N.J. : Scarecrow Press. This book was released on 1992 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive study of legendary stage, film, record, and radio entertainer Jolson's (1886-1950) career and touring data. The volume provides extensive data on each of the performances, including dates, location, and accompaniment. The identities of the musicians and their respective instruments have also been included, along with all other performers involved (e.g. chorus members). All known recordings are listed by label name, catalog numbers, size, speed, and format. Additionally, the disposition of unissued "takes" and record company comments are included. With loads of great illustrations. Annotation copyright by Book News, Inc., Portland, OR
Download or read book Plasmonics written by Ki Young Kim and published by BoD – Books on Demand. This book was released on 2012-10-24 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: The title of this book, Plasmonics: Principles and Applications, encompasses theory, technical issues, and practical applications which are of interest for diverse classes of the plasmonics. The book is a collection of the contemporary researches and developments in the area of plasmonics technology. It consists of 21 chapters that focus on interesting topics of modeling and computational methods, plasmonic structures for light transmission, focusing, and guiding, emerging concepts, and applications.
Book Synopsis Photoacoustic Imaging by : Reda Gharieb
Download or read book Photoacoustic Imaging written by Reda Gharieb and published by BoD – Books on Demand. This book was released on 2020-05-06 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoacoustic imaging (PAI) is an emerging non-invasive imaging modality that integrates the advantages of deep ultrasound penetration and high optical contrast. It provides better resolution than pure ultrasonic imaging and deeper penetration than pure optical imaging. Hence, it is opening new frontiers in diagnostic imaging. Photoacoustic Imaging - Principles, Advances and Applications, provides interested readers with the principle knowledge, advanced methodologies, and new applications associated with PAI technology. Written by expert researchers, chapters cover such topics as the generation and detection of photoacoustic signals, sound source localization, image reconstruction and formation, and application of PAI in gastroenterology and ophthalmology.
