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Title: Experimental Characterization of Electron-Beam-Driven Wakefield Modes in a Dielectric-Woodpile Cartesian Symmetric Structure

Abstract

Photonic structures operating in the terahertz (THz) spectral region enable the essential characteristics of confinement, modal control, and electric field shielding for very high gradient accelerators based on wakefields in dielectrics. We report in this paper an experimental investigation of THz wakefield modes in a three-dimensional photonic woodpile structure. Selective control in exciting or suppressing of wakefield modes with a nonzero transverse wave vector is demonstrated by using drive beams of varying transverse ellipticity. Additionally, we show that the wakefield spectrum is insensitive to the offset position of strongly elliptical beams. Finally, these results are consistent with analytic theory and three-dimensional simulations and illustrate a key advantage of wakefield systems with Cartesian symmetry: the suppression of transverse wakes by elliptical beams.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [2];  [2];  [3];  [1]
  1. Univ. of California, Los Angeles, CA (United States). Dept. of Physics and Astronomy
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Accelerator Test Facility
  3. Univ. of Electronic Science and Technology of China, Chengdu (China). School of Physical Electronics
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Univ. of California, Los Angeles, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); Dept. of Homeland Security (DHS) (United States)
OSTI Identifier:
1460690
Alternate Identifier(s):
OSTI ID: 1433752
Report Number(s):
[BNL-207821-2018-JAAM]
[Journal ID: ISSN 0031-9007; TRN: US1901898]
Grant/Contract Number:  
[SC0012704; SC0009914; 2014-DN-077-ARI084-01]
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
[ Journal Volume: 120; Journal Issue: 16]; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 43 PARTICLE ACCELERATORS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; beam instabilities; photonic crystals; plasma acceleration & new acceleration techniques; accelerator applications; particle accelerators

Citation Formats

Hoang, P. D., Andonian, G., Gadjev, I., Naranjo, B., Sakai, Y., Sudar, N., Williams, O., Fedurin, M., Kusche, K., Swinson, C., Zhang, P., and Rosenzweig, J. B. Experimental Characterization of Electron-Beam-Driven Wakefield Modes in a Dielectric-Woodpile Cartesian Symmetric Structure. United States: N. p., 2018. Web. doi:10.1103/PhysRevLett.120.164801.
Hoang, P. D., Andonian, G., Gadjev, I., Naranjo, B., Sakai, Y., Sudar, N., Williams, O., Fedurin, M., Kusche, K., Swinson, C., Zhang, P., & Rosenzweig, J. B. Experimental Characterization of Electron-Beam-Driven Wakefield Modes in a Dielectric-Woodpile Cartesian Symmetric Structure. United States. doi:10.1103/PhysRevLett.120.164801.
Hoang, P. D., Andonian, G., Gadjev, I., Naranjo, B., Sakai, Y., Sudar, N., Williams, O., Fedurin, M., Kusche, K., Swinson, C., Zhang, P., and Rosenzweig, J. B. Thu . "Experimental Characterization of Electron-Beam-Driven Wakefield Modes in a Dielectric-Woodpile Cartesian Symmetric Structure". United States. doi:10.1103/PhysRevLett.120.164801. https://www.osti.gov/servlets/purl/1460690.
@article{osti_1460690,
title = {Experimental Characterization of Electron-Beam-Driven Wakefield Modes in a Dielectric-Woodpile Cartesian Symmetric Structure},
author = {Hoang, P. D. and Andonian, G. and Gadjev, I. and Naranjo, B. and Sakai, Y. and Sudar, N. and Williams, O. and Fedurin, M. and Kusche, K. and Swinson, C. and Zhang, P. and Rosenzweig, J. B.},
abstractNote = {Photonic structures operating in the terahertz (THz) spectral region enable the essential characteristics of confinement, modal control, and electric field shielding for very high gradient accelerators based on wakefields in dielectrics. We report in this paper an experimental investigation of THz wakefield modes in a three-dimensional photonic woodpile structure. Selective control in exciting or suppressing of wakefield modes with a nonzero transverse wave vector is demonstrated by using drive beams of varying transverse ellipticity. Additionally, we show that the wakefield spectrum is insensitive to the offset position of strongly elliptical beams. Finally, these results are consistent with analytic theory and three-dimensional simulations and illustrate a key advantage of wakefield systems with Cartesian symmetry: the suppression of transverse wakes by elliptical beams.},
doi = {10.1103/PhysRevLett.120.164801},
journal = {Physical Review Letters},
number = [16],
volume = [120],
place = {United States},
year = {2018},
month = {4}
}

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Figures / Tables:

FIG. 1 FIG. 1: Computer rendered model of the woodpile structure with relevant dimensions.

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