Multicascade X-Ray Free-Electron Laser with Harmonic Multiplier and Two-Frequency Undulator

Multicascade X-Ray Free-Electron Laser with Harmonic Multiplier and Two-Frequency Undulator DOI 10.1007/s11182-018-1398-2 Russian Physics Journal, Vol. 61, No. 2, June, 2018 (Russian Original No. 2, February, 2018) QUANTUM ELECTRONICS MULTICASCADE X-RAY FREE-ELECTRON LASER WITH HARMONIC MULTIPLIER AND TWO-FREQUENCY UNDULATOR K. V. Zhukovsky UDC 539.12.01 The feasibility of generation of powerful x-ray radiation by a cascade free-electron laser (FEL) with amplification of higher harmonics using a two-frequency undulator is studied. To analyze the FEL operation, a complex phenomenological single-pass FEL model is developed and used. It describes linear and nonlinear generation of harmonics in the FEL with seed laser that takes into account initial electron beam noise and describes all main losses of each harmonic in each FEL cascade. The model is also calibrated against and approved by the experimental FEL data and available results of three-dimensional numerical simulation. The electron beam in the undulator is assumed to be matched and focused, and the dynamics of power in the single- pass FEL with cascade harmonic multipliers is investigated to obtain x-ray laser radiation in the FEL having the shortest length, beam energy, and frequency of the seed laser as low as possible. In this context, the advantages of the two-frequency undulator used for generation of harmonics are demonstrated. The evolution http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Physics Journal Springer Journals

Multicascade X-Ray Free-Electron Laser with Harmonic Multiplier and Two-Frequency Undulator

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Physics; Physics, general; Optics, Lasers, Photonics, Optical Devices; Condensed Matter Physics; Nuclear Physics, Heavy Ions, Hadrons; Theoretical, Mathematical and Computational Physics
ISSN
1064-8887
eISSN
1573-9228
D.O.I.
10.1007/s11182-018-1398-2
Publisher site
See Article on Publisher Site

Abstract

DOI 10.1007/s11182-018-1398-2 Russian Physics Journal, Vol. 61, No. 2, June, 2018 (Russian Original No. 2, February, 2018) QUANTUM ELECTRONICS MULTICASCADE X-RAY FREE-ELECTRON LASER WITH HARMONIC MULTIPLIER AND TWO-FREQUENCY UNDULATOR K. V. Zhukovsky UDC 539.12.01 The feasibility of generation of powerful x-ray radiation by a cascade free-electron laser (FEL) with amplification of higher harmonics using a two-frequency undulator is studied. To analyze the FEL operation, a complex phenomenological single-pass FEL model is developed and used. It describes linear and nonlinear generation of harmonics in the FEL with seed laser that takes into account initial electron beam noise and describes all main losses of each harmonic in each FEL cascade. The model is also calibrated against and approved by the experimental FEL data and available results of three-dimensional numerical simulation. The electron beam in the undulator is assumed to be matched and focused, and the dynamics of power in the single- pass FEL with cascade harmonic multipliers is investigated to obtain x-ray laser radiation in the FEL having the shortest length, beam energy, and frequency of the seed laser as low as possible. In this context, the advantages of the two-frequency undulator used for generation of harmonics are demonstrated. The evolution

Journal

Russian Physics JournalSpringer Journals

Published: Jun 4, 2018

References

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