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Development Of Sidebands In Tapered And In Untapered Free Electron Lasers
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Book Synopsis Development of Sidebands in Tapered and in Untapered Free-Electron Lasers by : B. Hafizi
Download or read book Development of Sidebands in Tapered and in Untapered Free-Electron Lasers written by B. Hafizi and published by . This book was released on 1988 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: A time dependent, axisymmetric code is employed to examine the development of sidebands in a free electron laser. For the case where the input signal undergoes an extended period of exponential growth, a broad spectrum of sidebands with growth rates comparable to that of the signal is excited. In general, in an untapered system the optical field displays considerable modulation after several synchrotron periods. An analytical mode, in qualitative agreement with a number of features of the simulations, is discussed. In a tapered system the amplitude of the sidebands approaches a quasi-steady level that is several orders of magnitude below that of the untapered case, and the output optical field displays only a slight modulation. The optimal rate of tapering employed, to maximize efficiency, leads to substantial reduction in the growth rate of sidebands. This result is discussed in connection with the nonadiabatic nature of particle motion in the tapered system. Keywords: Free electron laser; Sideband frequencies; Tapered wiggler; Nonadiabatic electron orbits.
Book Synopsis Principles of Free Electron Lasers by : H. P. Freund
Download or read book Principles of Free Electron Lasers written by H. P. Freund and published by Springer. This book was released on 2018-04-25 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive description of the physics of free-electron lasers starting from the fundamentals and proceeding through detailed derivations of the equations describing electron trajectories, and spontaneous and stimulated emission. Linear and nonlinear analyses are described, as are detailed explanations of the nonlinear simulation of a variety of configurations including amplifiers, oscillators, self-amplified spontaneous emission, high-gain harmonic generation, and optical klystrons. Theory and simulation are anchored using comprehensive comparisons with a wide variety of experiments.
Book Synopsis Stochastic Electron Detrapping in FELs (Free Electron Lasers) Caused by Sidebands by : S. Riyopoulos
Download or read book Stochastic Electron Detrapping in FELs (Free Electron Lasers) Caused by Sidebands written by S. Riyopoulos and published by . This book was released on 1988 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growth of sidebands in an FEL above a certain threshold will result in stochastic electron motion. This may lead to significant electron detrapping and loss of amplification for the radiation field. The threshold in the sideband amplitude for the stochastic transition is computed. The rate trapped electrons leak outside the sepratrix is measured by the diffusion coefficient in action space. This approach is general and covers both tapered and untapered wigglers. Three general types of spectra are examined: a narrow, a broad discrete and a broad continuous. Each type is associated with a particular scaling of the diffusion coefficient on the FEL parameters. Numerical results, obtained for constant radiation amplitudes, show good agreement with the theoretical predictions. This diffusion rate is always proportional to the total sideband-to-carrier power ratio, with different coefficients of proportionality for each spectral type. The narrow types of spectrum causes the highest diffusion rates and the broad continuous spectrum causes the lowest diffusion rates under constant total sideband power. The diffusion length, measured in wiggler periods, is independent of the beam energy gamma. Serious deterioration in the FEL efficiency will result when the diffusion length becomes shorter than the wiggler length. (rh).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 1989 IEEE Particle Accelerator Conference by :
Download or read book Proceedings of the 1989 IEEE Particle Accelerator Conference written by and published by . This book was released on 1989 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 1358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Fusion by Inertial Confinement by : Guillermo Velarde
Download or read book Nuclear Fusion by Inertial Confinement written by Guillermo Velarde and published by CRC Press. This book was released on 2020-11-25 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Fusion by Inertial Confinement provides a comprehensive analysis of directly driven inertial confinement fusion. All important aspects of the process are covered, including scientific considerations that support the concept, lasers and particle beams as drivers, target fabrication, analytical and numerical calculations, and materials and engineering considerations. Authors from Australia, Germany, Italy, Japan, Russia, Spain, and the U.S. have contributed to the volume, making it an internationally significant work for all scientists working in the Inertial Confinement Fusion (ICF) field, as well as for graduate students in engineering and physics with interest in ICF.
Book Synopsis Electrical & Electronics Abstracts by :
Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1989 with total page 1722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Free-electron Lasers by : Brian E. Newnam
Download or read book Free-electron Lasers written by Brian E. Newnam and published by . This book was released on 1988 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science Abstracts written by and published by . This book was released on 1993 with total page 2316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Free Electron Lasers written by and published by . This book was released on 1990 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1988 with total page 1600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1988 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Frequency Effects in Waveguide Free-electron Lasers by : Efrem Joel Sternbach
Download or read book Multiple Frequency Effects in Waveguide Free-electron Lasers written by Efrem Joel Sternbach and published by . This book was released on 1989 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
