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Title: Resonant excitation of betatron oscillations

Abstract

Resonant excitation of betatron oscillations is a proposed mechanism for creating large amplitude, sinusoidal electron oscillations by overlaying a standard magnetic undulator and the radial electric fields of an ion channel to effectively create a very high strength undulator. By satisfying a resonance condition between the undulator and betatron periods, large transverse wiggling amplitudes are possible at short periods of oscillation. This skirts the existing limitations of magnetic undulators whose effective strength is constrained by the limits on high peak field values in a short (~cm) period. Additionally, such motion can be achieved with on axis beam injection and greater operational amplitude and polarization tunability than offered in other incarnations of the plasma wiggler. This technique provides a path to applications that demand high K, tunable, bright x-ray or gamma ray radiation such as high flux polarized positron production and a practical realization of the ion channel laser.

Authors:
 [1];  [1]
+ Show Author Affiliations
  1. Univ. of California, Los Angeles, CA (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1534167
Alternate Identifier(s):
OSTI ID: 1550614
Grant/Contract Number:  
SC0009914
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 865; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; plasma; wakefield; radiation; undulator; ion-channel laser; accelerator

Citation Formats

Majernik, N., and Rosenzweig, J. Resonant excitation of betatron oscillations. United States: N. p., 2017. Web. doi:10.1016/j.nima.2017.02.002.
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Majernik, N., & Rosenzweig, J. Resonant excitation of betatron oscillations. United States. https://doi.org/10.1016/j.nima.2017.02.002
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Majernik, N., and Rosenzweig, J. Fri . "Resonant excitation of betatron oscillations". United States. https://doi.org/10.1016/j.nima.2017.02.002. https://www.osti.gov/servlets/purl/1534167.
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@article{osti_1534167,
title = {Resonant excitation of betatron oscillations},
author = {Majernik, N. and Rosenzweig, J.},
abstractNote = {Resonant excitation of betatron oscillations is a proposed mechanism for creating large amplitude, sinusoidal electron oscillations by overlaying a standard magnetic undulator and the radial electric fields of an ion channel to effectively create a very high strength undulator. By satisfying a resonance condition between the undulator and betatron periods, large transverse wiggling amplitudes are possible at short periods of oscillation. This skirts the existing limitations of magnetic undulators whose effective strength is constrained by the limits on high peak field values in a short (~cm) period. Additionally, such motion can be achieved with on axis beam injection and greater operational amplitude and polarization tunability than offered in other incarnations of the plasma wiggler. This technique provides a path to applications that demand high K, tunable, bright x-ray or gamma ray radiation such as high flux polarized positron production and a practical realization of the ion channel laser.},
doi = {10.1016/j.nima.2017.02.002},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 865,
place = {United States},
year = {Fri Feb 03 00:00:00 EST 2017},
month = {Fri Feb 03 00:00:00 EST 2017}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.nima.2017.02.002
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Works referenced in this record:

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