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Title: Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures

Abstract

We show that temporal pulse tailoring of charged-particle beams is essential to optimize efficiency in collinear wakefield acceleration schemes. In this Letter, we demonstrate a novel phase space manipulation method that employs a beam wakefield interaction in a dielectric structure, followed by bunch compression in a permanent magnet chicane, to longitudinally tailor the pulse shape of an electron beam. This compact, passive, approach was used to generate a nearly linearly ramped current profile in a relativistic electron beam experiment carried out at the Brookhaven National Laboratory Accelerator Test Facility. Here, we report on these experimental results including beam and wakefield diagnostics and pulse profile reconstruction techniques.

Authors:
 [1];  [2];  [3];  [4];  [4];  [4];  [2]
+ Show Author Affiliations
  1. Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy; RadiaBeam Technologies, Santa Monica, CA (United States)
  2. Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy
  3. RadiaBeam Technologies, Santa Monica, CA (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Accelerator Test Facility
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1376088
Alternate Identifier(s):
OSTI ID: 1342618
Report Number(s):
BNL-113852-2017-JA
Journal ID: ISSN 0031-9007; R&D Project: KBCH139; KB0202011
Grant/Contract Number:  
SC0012704; SC0011271; SC0009914
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 118; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Andonian, G., Barber, S., O’Shea, F. H., Fedurin, M., Kusche, K., Swinson, C., and Rosenzweig, J. B. Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures. United States: N. p., 2017. Web. doi:10.1103/PhysRevLett.118.054802.
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Andonian, G., Barber, S., O’Shea, F. H., Fedurin, M., Kusche, K., Swinson, C., & Rosenzweig, J. B. Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures. United States. https://doi.org/10.1103/PhysRevLett.118.054802
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Andonian, G., Barber, S., O’Shea, F. H., Fedurin, M., Kusche, K., Swinson, C., and Rosenzweig, J. B. Fri . "Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures". United States. https://doi.org/10.1103/PhysRevLett.118.054802. https://www.osti.gov/servlets/purl/1376088.
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@article{osti_1376088,
title = {Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures},
author = {Andonian, G. and Barber, S. and O’Shea, F. H. and Fedurin, M. and Kusche, K. and Swinson, C. and Rosenzweig, J. B.},
abstractNote = {We show that temporal pulse tailoring of charged-particle beams is essential to optimize efficiency in collinear wakefield acceleration schemes. In this Letter, we demonstrate a novel phase space manipulation method that employs a beam wakefield interaction in a dielectric structure, followed by bunch compression in a permanent magnet chicane, to longitudinally tailor the pulse shape of an electron beam. This compact, passive, approach was used to generate a nearly linearly ramped current profile in a relativistic electron beam experiment carried out at the Brookhaven National Laboratory Accelerator Test Facility. Here, we report on these experimental results including beam and wakefield diagnostics and pulse profile reconstruction techniques.},
doi = {10.1103/PhysRevLett.118.054802},
journal = {Physical Review Letters},
number = 5,
volume = 118,
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/10.1103/PhysRevLett.118.054802
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Works referenced in this record:

Sextupole correction of the longitudinal transport of relativistic beams in dispersionless translating sections
journal, January 2005

  • England, R. J.; Rosenzweig, J. B.; Andonian, G.
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Resonant excitation of coherent Cerenkov radiation in dielectric lined waveguides
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Observation of Narrow-Band Terahertz Coherent Cherenkov Radiation from a Cylindrical Dielectric-Lined Waveguide
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Bunch length measurement of picosecond electron beams from a photoinjector using coherent transition radiation
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High-efficiency acceleration of an electron beam in a plasma wakefield accelerator
journal, November 2014

Experimental Observation of Energy Modulation in Electron Beams Passing through Terahertz Dielectric Wakefield Structures
journal, April 2012

Bunch profile shaping using beam self-wakefields in a dielectric structure
conference, January 2016

  • Andonian, G.; O’Shea, F.; Barber, S.
  • ADVANCED ACCELERATOR CONCEPTS 2016: 16th Advanced Accelerator Concepts Workshop, AIP Conference Proceedings
  • DOI: 10.1063/1.4965645

Tailored electron bunches with smooth current profiles for enhanced transformer ratios in beam-driven acceleration
journal, August 2015

Generation of Trains of Electron Microbunches with Adjustable Subpicosecond Spacing
journal, July 2008

Planar-Dielectric-Wakefield Accelerator Structure Using Bragg-Reflector Boundaries
journal, December 2014

Determination of a charged-particle-bunch shape from the coherent far infrared spectrum
journal, November 1994

Experimental Demonstration of Electron Longitudinal-Phase-Space Linearization by Shaping the Photoinjector Laser Pulse
journal, January 2014

Emittance-Exchange-Based High Harmonic Generation Scheme for a Short-Wavelength Free Electron Laser
journal, March 2011

Dielectric Wakefield Acceleration of a Relativistic Electron Beam in a Slab-Symmetric Dielectric Lined Waveguide
journal, June 2012

Experimental Demonstration of Energy-Chirp Compensation by a Tunable Dielectric-Based Structure
journal, March 2014

Ballistic bunching of photoinjected electron bunches with dielectric-lined waveguides
journal, November 2014

Observation of acceleration and deceleration in gigaelectron-volt-per-metre gradient dielectric wakefield accelerators
journal, September 2016

  • O’Shea, B. D.; Andonian, G.; Barber, S. K.
  • Nature Communications, Vol. 7, Issue 1
  • DOI: 10.1038/ncomms12763

Generation and Measurement of Relativistic Electron Bunches Characterized by a Linearly Ramped Current Profile
journal, May 2008

Design of an emittance exchanger for production of special shapes of the electron beam current
journal, April 2014

  • Shchegolkov, Dmitry Yu.; Simakov, Evgenya I.
  • Physical Review Special Topics - Accelerators and Beams, Vol. 17, Issue 4
  • DOI: 10.1103/PhysRevSTAB.17.041301

Breakdown Limits on Gigavolt-per-Meter Electron-Beam-Driven Wakefields in Dielectric Structures
journal, May 2008

Emittance and phase space exchange for advanced beam manipulation and diagnostics
journal, November 2011

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    Works referencing / citing this record:

    Single Shot Characterization of High Transformer Ratio Wakefields in Nonlinear Plasma Acceleration
    journal, January 2020

    Passive Ballistic Microbunching of Nonultrarelativistic Electron Bunches Using Electromagnetic Wakefields in Dielectric-Lined Waveguides
    text, January 2019

    Driver-witness electron beam acceleration in dielectric mm-scale capillaries
    journal, May 2018

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