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Title: Synchronous acceleration with tapered dielectric-lined waveguides

Abstract

Here, we present a general concept to accelerate non-relativistic charged particles. Our concept employs an adiabatically-tapered dielectric-lined waveguide which supports accelerating phase velocities for synchronous acceleration. We propose an ansatz for the transient field equations, show it satisfies Maxwell's equations under an adiabatic approximation and find excellent agreement with a finite-difference time-domain computer simulation. The fields were implemented into the particle-tracking program {\sc astra} and we present beam dynamics results for an accelerating field with a 1-mm-wavelength and peak electric field of 100~MV/m. The numerical simulations indicate that a $$\sim 200$$-keV electron beam can be accelerated to an energy of $$\sim10$$~MeV over $$\sim 10$$~cm. The novel scheme is also found to form electron beams with parameters of interest to a wide range of applications including, e.g., future advanced accelerators, and ultra-fast electron diffraction.

Authors:
 [1];  [1]; ORCiD logo [2];  [3];  [1]
+ Show Author Affiliations
  1. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  2. Northern Illinois Univ., DeKalb, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Hamburg, Hamburg (Germany)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1418142
Report Number(s):
FERMILAB-PUB-17-610-APC; DESY-17-240; arXiv:1712.08403
Journal ID: ISSN 2469-9888; PRABCJ; 1644832; TRN: US1801242
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Volume: 21; Journal Issue: 5; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Lemery, Francois, Floettmann, Klaus, Piot, Philippe, Kartner, Franz X., and ABmann, Ralph. Synchronous acceleration with tapered dielectric-lined waveguides. United States: N. p., 2018. Web. https://doi.org/10.1103/PhysRevAccelBeams.21.051302.
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Lemery, Francois, Floettmann, Klaus, Piot, Philippe, Kartner, Franz X., & ABmann, Ralph. Synchronous acceleration with tapered dielectric-lined waveguides. United States. https://doi.org/10.1103/PhysRevAccelBeams.21.051302
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Lemery, Francois, Floettmann, Klaus, Piot, Philippe, Kartner, Franz X., and ABmann, Ralph. Fri . "Synchronous acceleration with tapered dielectric-lined waveguides". United States. https://doi.org/10.1103/PhysRevAccelBeams.21.051302. https://www.osti.gov/servlets/purl/1418142.
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@article{osti_1418142,
title = {Synchronous acceleration with tapered dielectric-lined waveguides},
author = {Lemery, Francois and Floettmann, Klaus and Piot, Philippe and Kartner, Franz X. and ABmann, Ralph},
abstractNote = {Here, we present a general concept to accelerate non-relativistic charged particles. Our concept employs an adiabatically-tapered dielectric-lined waveguide which supports accelerating phase velocities for synchronous acceleration. We propose an ansatz for the transient field equations, show it satisfies Maxwell's equations under an adiabatic approximation and find excellent agreement with a finite-difference time-domain computer simulation. The fields were implemented into the particle-tracking program {\sc astra} and we present beam dynamics results for an accelerating field with a 1-mm-wavelength and peak electric field of 100~MV/m. The numerical simulations indicate that a $\sim 200$-keV electron beam can be accelerated to an energy of $\sim10$~MeV over $\sim 10$~cm. The novel scheme is also found to form electron beams with parameters of interest to a wide range of applications including, e.g., future advanced accelerators, and ultra-fast electron diffraction.},
doi = {10.1103/PhysRevAccelBeams.21.051302},
journal = {Physical Review Accelerators and Beams},
number = 5,
volume = 21,
place = {United States},
year = {2018},
month = {5}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevAccelBeams.21.051302
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Citation Metrics:
Cited by: 3 works
Citation information provided by
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Figures / Tables:

FIG. 1 FIG. 1: Diagram of the accelerator concept (top) and corresponding evolution of the bunch’s transverse emittance ($ε$$r$), rms transverse beam size ($σ$$r$), longitudinal bunch length ($σ$$z$) (all left axis) and the kinetic energy (right axis) along the accelerator beamline (bottom). The example corresponds to an operating point ($ϕ$, $E$0) =more » (79.3 deg;,106.875 MV/m); see text for details.« less
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Works referenced in this record:

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    Cascaded Multicycle Terahertz-Driven Ultrafast Electron Acceleration and Manipulation
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    Design of a tapered slot waveguide dielectric laser accelerator for sub-relativistic electrons
    journal, January 2018

    • Zhao, Zhexin; Hughes, Tyler W.; Tan, Si
    • Optics Express, Vol. 26, Issue 18
    • DOI: 10.1364/oe.26.022801

    Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser
    journal, January 2018

    Simultaneous generation and compression of broadband terahertz pulses in aperiodically poled crystals
    journal, January 2019

    Terahertz-induced cascaded interactions between spectra offset by large frequencies
    journal, January 2019

    Analysis of terahertz generation by beamlet superposition
    journal, January 2019

    • Ravi, Koustuban; Ofori-Okai, B. K.; Nelson, Keith A.
    • Optics Express, Vol. 27, Issue 19
    • DOI: 10.1364/oe.27.026547
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      Figures / Tables found in this record:

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