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This book reflects the heights of knowledge of ultrafast chemical processes attained in these early years of the 21st century : the latest research in femtosecond and picosecond molecular processes in Chemistry and Biology, carried out around the world, is described here in more than 110 articles. The results were presented and discussed at the VIth International Conference on Femtochemistry, in Paris, France, from July 6 to July 10, 2003. The articles published here were reviewed by referees selected from specialists in the Femtochemistry community, guaranteeing a collective responsability fo
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Since the emergence of femtochemistry seventeen years ago, remarkable progress has been made and femtosecond spectroscopy devoted to Chemistry and Biology has become a well established field of research, giving rise to femtochemistry and femtobiology. The significance of the field is recognized through its impact around the world, giving rise to numerous conferences which includes the most recent conference from the Femtochemistry Conference Series, Femtochemistry VII. This title is made up of contributions made from the Femtochemistry VII conference held in Washington D.C., 17-22 Jul
Femtochemistry --- Chemical kinetics --- Molecular dynamics --- Femtosecond photochemistry --- Laser photochemistry
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Molecular spectroscopy. --- Laser spectroscopy. --- Femtochemistry. --- Femtosecond lasers. --- Lasers --- Femtosecond photochemistry --- Laser photochemistry --- Spectrum analysis --- Spectroscopy, Molecular --- Molecular spectra
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Femtochemistry --- Chemical bonds --- Chemical kinetics --- Academic collection --- 544.5 --- Femtosecond photochemistry --- Laser photochemistry --- Bonds, Chemical --- Chemical structure --- Chemistry, Physical and theoretical --- Overlap integral --- Quantum chemistry --- Valence (Theoretical chemistry) --- Chemistry of high energy processes --- Conferences - Meetings --- Femtochemistry - Congresses --- Chemical bonds - Congresses --- Chemical kinetics - Congresses
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This thesis provides unique information on the Kerr-lens mode-locking (KLM) technique applied to a thin-disk laser. It describes in detail cavity geometry, the qualitative approach to KLM, and self-starting behavior in the regime of both negative and positive dispersion. Comprehensive comparative analysis of KLM and semiconductor saturable absorber techniques is also carried out. Recent successful experiments on carrier-envelope phase stabilization, spectral broadening and compression of output of this oscillator underline the importance of this new, emerging technology.
Laser beams. --- Femtochemistry. --- Femtosecond photochemistry --- Beams, Laser --- Laser radiation --- Physics. --- Optics. --- Electrodynamics. --- Solid state physics. --- Lasers. --- Photonics. --- Laser Technology, Photonics. --- Optics and Electrodynamics. --- Solid State Physics. --- Laser photochemistry --- Optics, Lasers, Photonics, Optical Devices. --- Classical Electrodynamics. --- Physics --- Solids --- Dynamics --- Light --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators
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As concepts and methodologies have evolved over the past two decades, the realm of ultrafast science has become vast and exciting and has impacted many areas of chemistry, biology and physics, and other fields such as materials science, electrical engineering, and optical communication. The field has recently exploded with the announcement of a series of remarkable new developments and advances. This volume surveys this recent growth in eleven chapters written by leading international researchers in the field. It includes sections on femtosecond optical frequency combs, soft x-ray femtosecond laser sources, and attosecond laser sources. In addition, the contributors address real-time spectroscopy of molecular vibrations with sub-5-fs pulses and multidimensional femtosecond coherent spectroscopies for studying molecular and electron dynamics. Novel methods for measuring and characterizing ultrashort laser pulses and ultrashort pulses of light are also described. The topics covered are revolutionizing the fields of biomedical imaging, electron dynamics, ultrahigh precision spectroscopy, and optical frequency metrology. Surveying the latest advances in ultrafast lasers, Femtosecond Laser Spectroscopy will be of interest to both researchers and graduate students.
Laser spectroscopy. --- Femtochemistry. --- Laser pulses, Ultrashort. --- Laser pulses, Picosecond --- Light pulses, Picosecond --- Light pulses, Ultrashort --- Picosecond laser pulses --- Picosecond light pulses --- Ultrashort laser pulses --- Ultrashort light pulses --- Laser beams --- Pulse techniques (Electronics) --- Picosecond pulses --- Femtosecond photochemistry --- Laser photochemistry --- Spectrum analysis --- Physics. --- Optics, Lasers, Photonics, Optical Devices. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Lasers. --- Photonics. --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators
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Terahertz science and technology is attracting great interest due to its application in a wide array of fields made possible by the development of new and improved terahertz radiation sources and detectors. This book focuses on the development and characterization of one such source - namely the semi-large aperture photoconducting (PC) antenna fabricated on Fe-doped bulk Ga0.69In0.31As substrate. The high ultrafast carrier mobility, high resistivity, and subpicosecond carrier lifetime along with low bandgap make Ga0.69In0.31As an excellent candidate for PC antenna based THz emitter that can be photoexcited by compact Yb-based multiwatt laser systems for high power THz emission. The research is aimed at evaluating the impact of physical properties of a semi-large aperture Ga0.69In0.31As PC antenna upon its THz generation efficiency, and is motivated by the ultimate goal of developing a high-power terahertz radiation source for time-domain terahertz spectroscopy and imaging systems. This Doctoral Thesis has been accepted by Rensselaer Polytechnic Institute, Troy, USA.
Femtochemistry. --- Millimeter wave devices. --- Optoelectronic devices. --- Submillimeter waves. --- Terahertz technology. --- Submillimeter waves --- Physics --- Physical Sciences & Mathematics --- Light & Optics --- Electricity & Magnetism --- Microwave spectroscopy. --- Photo electric devices --- Photo electronic devices --- Photoelectronic devices --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Physics. --- Semiconductors. --- Lasers. --- Photonics. --- Spectroscopy. --- Microscopy. --- Optical materials. --- Electronic materials. --- Spectroscopy and Microscopy. --- Laser Technology, Photonics. --- Optical and Electronic Materials. --- Molecular spectroscopy --- Radiofrequency spectroscopy --- Electronic apparatus and appliances --- Optical instruments --- Electrooptical devices --- Integrated optics --- Electromagnetic waves --- Radiation --- Optics, Lasers, Photonics, Optical Devices. --- Optics --- Materials --- Electronic materials --- New optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Crystalline semiconductors --- Semi-conductors --- Semiconducting materials --- Semiconductor devices --- Crystals --- Electrical engineering --- Electronics --- Solid state electronics --- Analysis, Microscopic --- Light microscopy --- Micrographic analysis --- Microscope and microscopy --- Microscopic analysis --- Optical microscopy --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Qualitative --- Spectrometry --- Analytical chemistry
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This book presents the latest developments in Femtosecond Chemistry and Physics for the study of ultrafast photo-induced molecular processes. Molecular systems, from the simplest H2 molecule to polymers or biological macromolecules, constitute central objects of interest for Physics, Chemistry and Biology, and despite the broad range of phenomena that they exhibit, they share some common behaviors. One of the most significant of those is that many of the processes involving chemical transformation (nuclear reorganization, bond breaking, bond making) take place in an extraordinarily short time, in or around the femtosecond temporal scale (1 fs = 10-15 s). A number of experimental approaches - very particularly the developments in the generation and manipulation of ultrashort laser pulses - coupled with theoretical progress, provide the ultrafast scientist with powerful tools to understand matter and its interaction with light, at this spatial and temporal scale. This book is an attempt to reunite some of the state-of-the-art research that is being carried out in the field of ultrafast molecular science, from theoretical developments, through new phenomena induced by intense laser fields, to the latest techniques applied to the study of molecular dynamics.
Femtochemistry. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Femtosecond photochemistry --- Kinetic theory of liquids. --- Molecular acoustics. --- Chemistry. --- Spectroscopy. --- Physical chemistry. --- Optics. --- Electrodynamics. --- Atomic structure. --- Molecular structure. --- Spectra. --- Lasers. --- Photonics. --- Physical Chemistry. --- Laser Technology, Photonics. --- Spectroscopy/Spectrometry. --- Optics and Electrodynamics. --- Atomic/Molecular Structure and Spectra. --- Laser photochemistry --- Physical sciences --- Dynamics --- Chemistry, Physical organic. --- Optics, Lasers, Photonics, Optical Devices. --- Classical Electrodynamics. --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Optics --- Radiation --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Chemistry, Physical organic --- Chemistry, Organic --- Chemistry, Physical and theoretical --- Qualitative --- Atomic structure . --- Molecular structure . --- Structure, Molecular --- Chemical structure --- Structural bioinformatics --- Structure, Atomic --- Atomic theory --- Physics --- New optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Spectrometry --- Analytical chemistry --- Laser photochemistry. --- Molecular dynamics.
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