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Title: Interaction of an ultrarelativistic electron bunch train with a W-band accelerating structure: High power and high gradient

Abstract

Electron beam interaction with high frequency structures (beyond microwave regime) has a great impact on future high energy frontier machines. We report on the generation of multimegawatt pulsed rf power at 91 GHz in a planar metallic accelerating structure driven by an ultrarelativistic electron bunch train. This slow-wave wakefield device can also be used for high gradient acceleration of electrons with a stable rf phase and amplitude which are controlled by manipulation of the bunch train. To achieve precise control of the rf pulse properties, a two-beam wakefield interferometry method was developed in which the rf pulse, due to the interference of the wakefields from the two bunches, was measured as a function of bunch separation. As a result, measurements of the energy change of a trailing electron bunch as a function of the bunch separation confirmed the interferometry method.

Authors:
 [1];  [2];  [2];  [3];  [3];  [3];  [3];  [2];  [3];  [4];  [5];  [3]
  1. Argonne National Lab. (ANL), Lemont, IL (United States); Tsinghua Univ., Beijing (China)
  2. Argonne National Lab. (ANL), Lemont, IL (United States); Euclid Techlabs LLC, Solon, OH (United States)
  3. Argonne National Lab. (ANL), Lemont, IL (United States)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. Tsinghua Univ., Beijing (China)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1248375
Alternate Identifier(s):
OSTI ID: 1237113
Grant/Contract Number:  
AC02-06CH11357; W-31-109-ENG-38; SC0009571
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 116; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Wang, D., Antipov, S., Jing, C., Power, J. G., Conde, M., Wisniewski, E., Liu, W., Qiu, J., Ha, G., Dolgashev, V., Tang, C., and Gai, W.. Interaction of an ultrarelativistic electron bunch train with a W-band accelerating structure: High power and high gradient. United States: N. p., 2016. Web. https://doi.org/10.1103/PhysRevLett.116.054801.
Wang, D., Antipov, S., Jing, C., Power, J. G., Conde, M., Wisniewski, E., Liu, W., Qiu, J., Ha, G., Dolgashev, V., Tang, C., & Gai, W.. Interaction of an ultrarelativistic electron bunch train with a W-band accelerating structure: High power and high gradient. United States. https://doi.org/10.1103/PhysRevLett.116.054801
Wang, D., Antipov, S., Jing, C., Power, J. G., Conde, M., Wisniewski, E., Liu, W., Qiu, J., Ha, G., Dolgashev, V., Tang, C., and Gai, W.. Fri . "Interaction of an ultrarelativistic electron bunch train with a W-band accelerating structure: High power and high gradient". United States. https://doi.org/10.1103/PhysRevLett.116.054801. https://www.osti.gov/servlets/purl/1248375.
@article{osti_1248375,
title = {Interaction of an ultrarelativistic electron bunch train with a W-band accelerating structure: High power and high gradient},
author = {Wang, D. and Antipov, S. and Jing, C. and Power, J. G. and Conde, M. and Wisniewski, E. and Liu, W. and Qiu, J. and Ha, G. and Dolgashev, V. and Tang, C. and Gai, W.},
abstractNote = {Electron beam interaction with high frequency structures (beyond microwave regime) has a great impact on future high energy frontier machines. We report on the generation of multimegawatt pulsed rf power at 91 GHz in a planar metallic accelerating structure driven by an ultrarelativistic electron bunch train. This slow-wave wakefield device can also be used for high gradient acceleration of electrons with a stable rf phase and amplitude which are controlled by manipulation of the bunch train. To achieve precise control of the rf pulse properties, a two-beam wakefield interferometry method was developed in which the rf pulse, due to the interference of the wakefields from the two bunches, was measured as a function of bunch separation. As a result, measurements of the energy change of a trailing electron bunch as a function of the bunch separation confirmed the interferometry method.},
doi = {10.1103/PhysRevLett.116.054801},
journal = {Physical Review Letters},
number = 5,
volume = 116,
place = {United States},
year = {2016},
month = {2}
}

Journal Article:

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Cited by: 10 works
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Observation of Enhanced Transformer Ratio in Collinear Wakefield Acceleration
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Tunable Subpicosecond Electron-Bunch-Train Generation Using a Transverse-To-Longitudinal Phase-Space Exchange Technique
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Generation of Trains of Electron Microbunches with Adjustable Subpicosecond Spacing
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