Ultrafast Measurements Of Chlorine Dioxide Photochemistry
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Ultrafast Measurements Of Chlorine Dioxide Photochemistry
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Author : Peter Daniel Ludowise
language : en
Publisher:
Release Date : 1997
Ultrafast Measurements Of Chlorine Dioxide Photochemistry written by Peter Daniel Ludowise and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Ultrafast Measurements Of Chlorine Dioxide Photochemistry
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Author :
language : en
Publisher:
Release Date : 1997
Ultrafast Measurements Of Chlorine Dioxide Photochemistry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Time-resolved mass spectrometry and time-resolved photoelectron spectroscopy are used to study the ultrafast photodissociation dynamics of chlorine dioxide, an important constituent in stratospheric ozone depletion. Chapter 1 introduces these pump/probe techniques, in which a femtosecond pump pulse excites a molecule to a dissociative state. At a later time, a second femtosecond probe pulse ionizes the molecule. The resulting mass and photoelectron spectra are acquired as a function of the delay between the pump and probe pulses, which follows the evolution of the molecule on the excited state. A comparison to other techniques used to study reaction dynamics is discussed. Chapter 2 includes a detailed description of the design and construction of the experimental apparatus, which consists of a femtosecond laser system, a molecular beam time-of-flight spectrometer, and a data acquisition system. The time-of-flight spectrometer is specifically designed to have a short flight distance to maximize the photoelectron collection efficiency without degrading the resolution, which is limited by the bandwidth of the femtosecond laser system. Typical performance of the apparatus is demonstrated in a study of the time-resolved photoelectron spectroscopy of nitric oxide. The results of the time-resolved mass spectrometry experiments of chlorine dioxide are presented in Chapter 3. Upon excitation to the A 2A2 state near 3.2 eV, the molecule dissociates through an indirect two-step mechanism. The direct dissociation channel has been predicted to be open, but is not observed. A quantum beat is observed in the OClO species, which is described as a vibrational coherence of the optically prepared A 2A2 state. Chapter 4 presents the results of the time-resolved photoelectron experiments of chlorine dioxide. At short delay time, the quantum beat of the OClO species is observed in the X 1A1 state of the ion. At infinite delay, the signal is dominated by the ClO+ ion, observed in a variety of electronic states. The photoelectron data is shown to support the indirect two-step dissociation mechanism derived from the mass results. Conclusions of the mass and photoelectron results are discussed in context of the stratospheric ozone depletion problem.
Ultrafast Phenomena X
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Author : Paul F. Barbara
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ultrafast Phenomena X written by Paul F. Barbara and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This volume contains papers presented at the Tenth International Conference on Ultrafast Phenomena held at Del Coronado, California, from May 28 to June 1, 1996. The biannual Ultrafast Phenomena Conferences provide a forum for the discussion of the latest advances in ultrafast optics and their applications in science and engineering. The Ultrafast Phenomena Conference maintains a broad international representation with 391 participants from 18 countries, including 94 students attending the conference. The multidisciplinary character of this meeting provides a cross-fertilization of ultrafast concepts and techniques among various scientific and engineering disciplines. The enthusiasm of the paticipants, the originality and quality of the papers that they presented, and the beautiful conference site combined to produce a very successful and enjoyable meeting. Progress was reported in the technology of generating ultrashort pulses, in cluding new techniques for improving laser-pulse duration, output power, wave length range, and compactness. Ultrafast spectroscopy continues to impact on and expand the knowledge base of fundamental processes in physics, chemistry, biol ogy and engineering. In addition ultrafast phenomena now extends to real-world applications in biology, high-speed communication, and material diagnostics. The Tenth Ultrafast Phenomena Conference was highlighted by a 'special event' in which the developments of the previous conferences were reviewed in a panel discussion by G. Mourou, E. Ippen, A. Migus, A. Laubereau and R. Hochstrasser.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2004
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Dissertations, Academic categories.
Ultrafast Reaction Dynamics And Solvent Effects
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Author : Yann Gauduel
language : en
Publisher:
Release Date : 1994
Ultrafast Reaction Dynamics And Solvent Effects written by Yann Gauduel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.
Describes experimental and theoretical aspects of reaction dynamics in solution and considers advances in the spectroscopy of transient states and computational solution chemistry. Different aspects of primary events of a reaction are discussed in the framework of classical or quantum theories.
Ultrafast Phenomena Viii
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Author : Jean-Louis Martin
language : en
Publisher: Springer
Release Date : 1993-04-29
Ultrafast Phenomena Viii written by Jean-Louis Martin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-04-29 with Science categories.
"Papers presented at the Eighth International Conference on Ultrafast Phenomena"--Pref.
Summaries Of Papers Presented At The Quantum Electronics And Laser Science Conference
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Author :
language : en
Publisher:
Release Date : 1996
Summaries Of Papers Presented At The Quantum Electronics And Laser Science Conference written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Lasers categories.
Chemistry Of The Upper And Lower Atmosphere
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Author : Barbara J. Finlayson-Pitts
language : en
Publisher: Elsevier
Release Date : 1999-11-17
Chemistry Of The Upper And Lower Atmosphere written by Barbara J. Finlayson-Pitts and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-11-17 with Science categories.
Here is the most comprehensive and up-to-date treatment of one of the hottest areas of chemical research. The treatment of fundamental kinetics and photochemistry will be highly useful to chemistry students and their instructors at the graduate level, as well as postdoctoral fellows entering this new, exciting, and well-funded field with a Ph.D. in a related discipline (e.g., analytical, organic, or physical chemistry, chemical physics, etc.). Chemistry of the Upper and Lower Atmosphere provides postgraduate researchers and teachers with a uniquely detailed, comprehensive, and authoritative resource. The text bridges the "gap" between the fundamental chemistry of the earth's atmosphere and "real world" examples of its application to the development of sound scientific risk assessments and associated risk management control strategies for both tropospheric and stratospheric pollutants. - Serves as a graduate textbook and "must have" reference for all atmospheric scientists - Provides more than 5000 references to the literature through the end of 1998 - Presents tables of new actinic flux data for the troposphere and stratospher (0-40km) - Summarizes kinetic and photochemical date for the troposphere and stratosphere - Features problems at the end of most chapters to enhance the book's use in teaching - Includes applications of the OZIPR box model with comprehensive chemistry for student use
Ultrafast Phenomena Xiii
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Author : R. J. Dwayne Miller
language : en
Publisher: Springer
Release Date : 2003
Ultrafast Phenomena Xiii written by R. J. Dwayne Miller and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Medical categories.
This book presents the latest advances in ultrafast science, including both ultrafast optics technology and the study of ultrafast phenomena. It covers picosecond, femtosecond, and attosecond processes relevant to physics, chemistry, biology, and engineering applications. Ultrafast technology has a profound impact in a wide range of applications, among them biomedical imaging, chemical dynamics, frequency standards, materials processing, and ultrahigh-speed communications. This book summarizes the results presented at the 13th International Conference on Ultrafast Phenomena and provides an up-to-date view of this important and rapidly advancing field.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1993
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Physics categories.