Ultrashort Optical Pulses in the Linac Coherent Light Source PDF Download
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Languages : en
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Book Description
The Linac Coherent Light Source (LCLS) project at the Stanford Linear Accelerator Center (SLAC) will produce intense, coherent 0.15 nm x-rays, with an expected peak brightness many orders of magnitude greater than existing x-ray sources and energy density as high as 4 x 1025 watts/cm2. These x-rays are produced by a single pass of a 15 GeV electron beam through a long undulator. The 15 GeV electron beam is generated using the last one third of the existing SLAC linac. This paper describes how to extend the present design of the LCLS to generate even shorter x-ray pulses than the nominal 255 femtoseconds FWHM. The goal of this study is to obtain pulse lengths as short as 50 femtoseconds. The scientific need for the shorter bunches is outlined, and electron and x-ray pulse compression options are reviewed. The analysis concludes that there are paths, albeit difficult, to obtaining shorter bunches and that the present LCLS design has the flexibility and range to test these paths.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Linac Coherent Light Source (LCLS) project at the Stanford Linear Accelerator Center (SLAC) will produce intense, coherent 0.15 nm x-rays, with an expected peak brightness many orders of magnitude greater than existing x-ray sources and energy density as high as 4 x 1025 watts/cm2. These x-rays are produced by a single pass of a 15 GeV electron beam through a long undulator. The 15 GeV electron beam is generated using the last one third of the existing SLAC linac. This paper describes how to extend the present design of the LCLS to generate even shorter x-ray pulses than the nominal 255 femtoseconds FWHM. The goal of this study is to obtain pulse lengths as short as 50 femtoseconds. The scientific need for the shorter bunches is outlined, and electron and x-ray pulse compression options are reviewed. The analysis concludes that there are paths, albeit difficult, to obtaining shorter bunches and that the present LCLS design has the flexibility and range to test these paths.
Author: Wolfgang Kaiser
Publisher: Springer Science & Business Media
ISBN: 3662025469
Category : Science
Languages : en
Pages : 434
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Book Description
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.
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Languages : en
Pages :
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Book Description
Free electron lasers operating in the 0.1 to 1.5 nm wavelength have been proposed for the Stanford Linear Accelerator Center and DESY (Germany). The unprecedented brightness and associated fluence predicted for pulses
Author: S.L. Shapiro
Publisher: Springer Science & Business Media
ISBN: 3662225743
Category : Science
Languages : en
Pages : 397
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Book Description
Soon after the invention of the laser, a brand-new area of endeavour emerged after the discovery that powerful ultrashort (picosecond) light pulses could be extracted from some lasers. Chemists, physicists, and engineers quickly recognized that such pulses would allow direct temporal studies of extremely rapid phenomena requiring, however, development of revolutionary ultrafast optical and electronic devices. For basic research the development of picosecond pulses was highly important because experimentalists were now able to measure directly the motions of atoms and molecules in liquids and solids: by disrupting a material from equilibrium with an intense picosecond pulse and then recording the time of return to the equilibrium state by picosecond techniques. Studies of picosecond laser pulses-their generation and diagnostic tech niques-are still undergoing a fairly rapid expansion, but a critical review of the state of the art by experienced workers in the field may be a timely help to new experimentalists. We shall review the sophisticated tools developed in the last ten years, including the modelocked picosecond-pulse-emitting lasers, the picosecond detection techniques, and picosecond devices. Moreover, we shall outline the basic foundations for the study of rapid events in chemistry and physics, which have emerged after many interesting experiments and which are now being applied in biology. An in-depth coverage of various aspects of the picosecond field should be helpful to scientists and engineers alike.
Author: Irl N. Duling
Publisher: Cambridge University Press
ISBN: 0521461928
Category : Science
Languages : en
Pages : 452
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Book Description
A detailed review of the state of the art in compact, modelocked laser systems and their applications.
Author: Wolfgang Kaiser
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 520
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Book Description
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.
Author: D. H. Auston
Publisher: Springer Science & Business Media
ISBN: 9783540186052
Category : Laser pulses, Ultrashort
Languages : en
Pages : 424
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Book Description
This authoritative book is written by ten experts in the field. It provides an up-to-date review of the state of the art in different generation processes for ultrashort laser pulses. Extensive applications in a wide range of fields - in physics, engineering, chemistry, and biology - are also discussed. Eight chapters deal with 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 laser pulses.
Author: Rick Trebino
Publisher: Springer Science & Business Media
ISBN: 146151181X
Category : Science
Languages : en
Pages : 428
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Book Description
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.
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Languages : en
Pages :
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Book Description
The SLAC Linac Coherent Light Source (LCLS), an X-ray Free-Electron Laser (XRFEL) designed to operate over a fundamental energy range of 1 - 8.5 keV, is expected to produce ultra-short pulse lengths down to (almost equal to)200 fs. Even though this represents an enormous decrease with respect to currently available high-brightness X-ray sources, it is believed that for a number of proposed LCLS applications (e.g., imaging or structural studies of molecular clusters with highly focused pulses) it will become necessary to reduce the pulse duration even further, possibly by as much as 1-2 orders of magnitude. Of the various compressive or chopping (i.e., slicing) optical techniques considered for shortening the pulse, the focus of one of our recent studies has been on a recently proposed slicing scheme based on the interaction of a longitudinally chirped LCLS pulse with a specially designed multilayer. The chopping mechanism is the selective reflection of only that sub-interval of the pulse that fulfills the multilayer Bragg condition. Of particular interest are the reflection efficiency and the distortion induced in the temporal fine structure of the reflected pulse, both of which can be critical to the efficacy of the scheme for a given application. Here we present results of selected parameter studies of different multilayer-based beam chopper systems using codes and LCLS radiation models developed at SSRL and LLNL.
Author: Wolfgang Kaiser
Publisher: Springer
ISBN: 9783662025475
Category : Technology & Engineering
Languages : en
Pages : 424
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Book Description
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.
