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Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (685 download)
Download or read book Propagation of Intense, Ultrashort Laser Pulses Through Metal Vapor written by and published by . This book was released on 1994 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew Murray Springer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (881 download)
Download or read book Time-resolved Characterization of Ultrashort Pulse Propagation written by Matthew Murray Springer and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The propagation of ultrashort femtosecond laser pulses in linear dielectric materials is determined in the time, space, and frequency domains by linear Maxwell optics through dispersion and diffraction. For intense pulses, pulse propagation is additionally modified by nonlinearities in the medium such as the optical Kerr effect, plasma generation, and self-phase modulation. In this work we report the results of several experiments on the propagation of ultrashort pulses. In the linear regime, we characterize the temporal evolution of an ultrashort pulse during propagation through a linear dielectric under anomalous dispersion. Under these conditions the pulse evolution departs from the group velocity and group delay dispersion approximations, which leads to the formation of optical precursors. We describe an experiment which observes the propagation of optical precursors in a bulk condensed-matter dielectric. We generate ultrashort laser pulses and propagate the pulses through a bulk dye with an absorption resonance turned to the center wavelength of the femotsecond pulse. The pulse is then characterized in the time domain before and after propagation. Through numerical simulation we verify that the behavior of the precursors in the temporal pulse profille corresponds with the classical model. Under very high intensity laser pulses, the nonlinearities induced by the propagation of the intense ultrashort pulse produce changes in the complex refractive index of the nonlinear material. We report the results of experiments involving time-resolved imaging of the propagation of ultrashort pulses in dielectric materials. We experimentally observe and characterize these effects through a weak-probe imaging effect which directly measures the nonlinearity in a time-resolved manner. In these experiments an intense femtosecond laser pulse is propagated in a nonlinear intensity regime while an unfocused low-intensity femtosecond pulse is used as to probe the nonlinear pulse. We use this technique to characterize femtosecond pulses in air and liquid, especially in the regime of optical filamentation. We subsequently calculate parameters such as the plasma density, the transverse extent, and the instantaneous refractive index within the femtosecond laser fillament under conditions which are not accessible through most standard pulse measurement techniqes. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151868
Author : Bradley David Thompson
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (384 download)
Download or read book Propagation Studies of Ultrashort, Intense Laser Pulses in Plasmas written by Bradley David Thompson and published by . This book was released on 1997 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rick Trebino
Publisher : Springer Science & Business Media
ISBN 13 : 146151181X
Total Pages : 428 pages
Book Rating : 4.4/5 (615 download)
Download or read book Frequency-Resolved Optical Gating: The Measurement of Ultrashort Laser Pulses written by Rick Trebino and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Frequency-Resolved Optical-Gating (FROG) technique has revolutionized our ability to measure and understand ultrashort laser pulses. This book contains everything you need to know to measure even the shortest, weakest, or most complex ultrashort laser pulses. Whether you're an undergrad or an advanced researcher, you'll find easy-to-understand descriptions of all the key ideas behind all the FROG techniques, all the practical details of pulse measurement, and many new directions of research. This book is not like any other scientific book. It is a lively discussion of the basic concepts. It is an advanced treatment of research-level issues.
Author : Jean-Claude Diels
Publisher : Elsevier
ISBN 13 : 0080466400
Total Pages : 675 pages
Book Rating : 4.0/5 (84 download)
Download or read book Ultrashort Laser Pulse Phenomena written by Jean-Claude Diels and published by Elsevier. This book was released on 2006-09-21 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrashort Laser Pulse Phenomena, Second Edition serves as an introduction to the phenomena of ultra short laser pulses and describes how this technology can be used to examine problems in areas such as electromagnetism, optics, and quantum mechanics. Ultrashort Laser Pulse Phenomena combines theoretical backgrounds and experimental techniques and will serve as a manual on designing and constructing femtosecond ("faster than electronics") systems or experiments from scratch. Beyond the simple optical system, the various sources of ultrashort pulses are presented, again with emphasis on the basic concepts and how they apply to the design of particular sources (dye lasers, solid state lasers, semiconductor lasers, fiber lasers, and sources based on frequency conversion). Provides an easy to follow guide through "faster than electronics" probing and detection methods THE manual on designing and constructing femtosecond systems and experiments Discusses essential technology for applications in micro-machining, femtochemistry, and medical imaging
Author :
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ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-11 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (727 download)
Download or read book Production of Dense Vapor Targets for Laser-plasma Interaction Studies with Intense, Ultra-short Pulses written by and published by . This book was released on 1993 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technique of laser-induced ablation of thin films from glass slide substrates has been investigated as a candidate vapor target production method for studies of both tunneling-driven x-ray/xuv recombination lasers and relativistic propagation using intense, ultra-short laser pulses. It is shown by simultaneous two-wavelength interferometry that particle densities of order 1019/cm3 are readily achieved and that some intrinsic ionization accompanies the plume formation. Absorption measurements with both 100 picosecond and 125 femtosecond pulses are consistent with observed edge velocities near 106 cm/sec. The level of ionization driven by the intense 125 femtosecond laser pulse has been coarsely estimated. Averaged estimates from spectral blue shifting of spectra transmitted through the plume are consistently lower than those obtained from evaluation of saturation intensity thresholds based on the sequential nonresonant optical field ionization (OFI) process.
Author : Alan Sullivan
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (33 download)
Download or read book Propagation of High-intensity, Ultrashort Laser Pulses in Plasmas by Alan Sullivan written by Alan Sullivan and published by . This book was released on 1993 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joong-Hyeok Byeon
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (69 download)
Download or read book Ultrashort Laser Pulse Propagation in Water written by Joong-Hyeok Byeon and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We simulate ultrashort pulse propagation through water by numerical methods, which is a kind of optical communication research. Ultrashort pulses have been known to have non Beer-Lambert behavior, whereas continuous waves (CW) obey the Beer-Lambert law. People have expected that the ultrashort pulse loses less intensity for a given distance in water than CW which implies that the pulse can travel over longer distances. In order to understand this characteristic of the pulse, we model numerically its spectral and temporal evolution as a function of traveling distance through water. We achieve the pulse intensity attenuation with traveling distance, obtain the temporal envelope of the pulse and compare them with experimental data. This research proves that the spectral and temporal profile of a pulse can be predicted knowing only the intensity spectrum of the input pulse and the refractive index spectrum of water in the linear regime. The real feasibility and the advantage of using an ultrashort pulse as a communication carrier will also be discussed.
Author :
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ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (64 download)
Download or read book Ultrashort Laser Pulse Propagation in Water written by and published by . This book was released on 2008 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major objectives of this proposal are twofold. The first objective is to perform both an experimental and theoretical study of the factors affecting the propagation distance behavior of ultrashort (femtosecond) laser pulses in water. This study will be conducted in the so-called linear regime which involves laser intensities that are below the threshold where nonlinear effects set in. A fundamental problem, which will be resolved by this research, is whether or not the temporal width and spacing of short pulses affects its absorption spectrum. If one simply knows the spectral composition of the input pulse and the absorption spectrum of the water, is this sufficient to predict the temporal evolution of the pulse? If such is not the case, then we will have to consider the way the system responds to pulse widths and pulse spacing which are short compared to vibrational relaxation times in water. The second phase of the research will be to explore the nonlinear regime where dramatic changes to the temporal, spatial, and spectral properties of the medium occur. The primary processes being selffocusing and self-phase modulation due to the Kerr effect (also called the quadratic electro-optic effect which was discovered by John Kerr in 1875). Self-focusing can lead to an enormous increase in the peak intensity where long filaments can occur and in some cases lead to supercontinuum generation or "white light" generation first discovered in 1970.
Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (227 download)
Download or read book Ultra Intense Laser Pulses: Propagation and Interaction with Plasma written by and published by . This book was released on 1994 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wolfgang Kaiser
Publisher : Springer Science & Business Media
ISBN 13 : 3662025469
Total Pages : 434 pages
Book Rating : 4.6/5 (62 download)
Download or read book Ultrashort Laser Pulses and Applications written by Wolfgang Kaiser and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten years ago, Stanley L. Shapiro edited the book entitled Ultrashort Light Pulses (Topics Appl. Phys., Vol. 18), which was written by eight experts in the field. Six years later, Charles V. Shank added a bibliography (1980-1983) in the second edition with approximately one thousand new references. During the past decade the field has grown so rapidly that a completely new book had to be written. In particular, the reduction of the time scale of light pulses into the femtosecond range has opened up new experimental possibilities never even foreseen in the preceding literature. The vast literature with countless ideas and applications makes it impossible for a single person to write a comprehensive review. Nine scientists, actively working in the field since its beginning, have decided to join forces to prepare a new book describing the present state of the art. Emphasis is placed on the generation and numerous applications of ultrashort laser pulses. This book covers a wide area of science: physics, engineering, chemistry, and biology. The various chapters and sections are prepared in each case such that the reader is given a brief introduction to the specific subject. Ample references for a more detailed study are given at the end of each chapter.
Author : Zengli Su
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (23 download)
Download or read book Generation and Propagation of Ultrashort Laser Pulses Using Nonlinear Waveguides written by Zengli Su and published by . This book was released on 1995 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Institute of Physics
Publisher : American Institute of Physics
ISBN 13 : 9780735401235
Total Pages : 872 pages
Book Rating : 4.4/5 (12 download)
Download or read book 2004 Graduate Programs in Physics, Astronomy, and Related Fields written by American Institute of Physics and published by American Institute of Physics. This book was released on 2003-11-06 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive compendium provides information on nearly every U.S. doctoral program in physics and astronomy, plus data on most major master's programs in these fields. Information on many major Canadian programs is also included. In addition, the Graduate Programs directory lists a substantial number of related-field departments, including materials science, electrical and nuclear engineering, meteorology, medical and chemical physics, geophysics, and oceanography. This twenty-eighth annual edition contains information valuable to students planning graduate study and faculty advisors, including each program's research expenditures and sources of support. A number of helpful appendices make navigating the directory a simple task.
Author : Anna Lena Giesecke
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (11 download)
Download or read book Propagation Dynamics and High Harmonic Generation Using High Contrast Ultrashort Laser Pulses written by Anna Lena Giesecke and published by . This book was released on 2013 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wolfgang Kaiser
Publisher : Springer
ISBN 13 : 9783662308738
Total Pages : 494 pages
Book Rating : 4.3/5 (87 download)
Download or read book Ultrashort Laser Pulses written by Wolfgang Kaiser and published by Springer. This book was released on 2014-03-12 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition in paperback provides an up-to-date review of the state of the art in different generation processes for ultrashort laser pulses. Inaddition, extensive applications in a wide range of fields - in physics,engineering, chemistry, and biology - are discussed: Eight chapters dealwith the following topics: -the generation of picosecond and femtosecond laser pulses -nonlinear wave interactions - new investigations in solid-state physics - recent progress in optoelectronics - advances in coherent material excitations - ultrafast vibrational lifetimes and energy redistribution in liquids - new observations of chemical reactions in the liquid state - the primary processes of important biological systems The book is essential reading for scientists and engineers who want to know what is going on in this rapidly advancing field. It should also interest graduate students and others who seek an introduction to laserpulses.
