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Title: High Gradient High Shunt Impedance Accelerating Structure

Abstract

develop an inexpensive accelerating structure with a high gradient and high shunt impedance. Euclid Techlabs proposes to optimize this technology (based on a successful accelerating structure with distributed coupling developed at SLAC) for industrial applications and serial production. Future colliders require high gradient and high efficiency accelerating structures (high shunt impedance). The SLAC accelerator laboratory recently developed a series of accelerating structures with distributed coupling. Such a structure includes one or more parallel waveguides which are loaded by accelerating cavities. This approach allows configurations where no RF power is flowing axially through the accelerating cavity while maintaining a traveling RF wave through the cross-section of the accelerating structure. In this case the accelerating cavities are isolated at the beam pipe. Conventional traveling wave structures typically couple the RF power through the beam pipe. This feature constrains the cavity shunt impedance to relatively small values. For this reason, the distributed coupling design improves efficiency while reducing cost and improving the operational flexibility of particle accelerators. High gradient operation poses the risk of having a high breakdown rates. In traditional standing and traveling wave structures, RF power flows through the accelerating cells. For distributed coupling structures, this risk is reduced because themore » absence of power flow through the accelerating cavity allows configurations where no power flows through the beam pipe. Finally, the distributed coupling accelerating structure design allows fabricating structures in two halves. This significantly reduces the complexity of machining, brazing and tuning.« less

Authors:
 [1];  [1];  [1];  [1]
  1. Euclid Techlabs LLC., Cleveland, OH (United States)
Publication Date:
Research Org.:
Euclid Techlabs, LLC, Solon, OH (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
SLAC National Accelerator Laboratory
OSTI Identifier:
1469348
Report Number(s):
DOE-Euclid Techlabs-PH1-17748
17748
DOE Contract Number:  
SC0017748
Type / Phase:
SBIR (Phase I)
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; Electron accelerator; High gradient acceleration; High efficiency acceleration; Distributed microwave coupling

Citation Formats

Antipov, Sergey, Kuzikov, Sergey, Gomez, Edgar, and Dosov, Edward. High Gradient High Shunt Impedance Accelerating Structure. United States: N. p., 2018. Web.
Antipov, Sergey, Kuzikov, Sergey, Gomez, Edgar, & Dosov, Edward. High Gradient High Shunt Impedance Accelerating Structure. United States.
Antipov, Sergey, Kuzikov, Sergey, Gomez, Edgar, and Dosov, Edward. Sun . "High Gradient High Shunt Impedance Accelerating Structure". United States.
@article{osti_1469348,
title = {High Gradient High Shunt Impedance Accelerating Structure},
author = {Antipov, Sergey and Kuzikov, Sergey and Gomez, Edgar and Dosov, Edward},
abstractNote = {develop an inexpensive accelerating structure with a high gradient and high shunt impedance. Euclid Techlabs proposes to optimize this technology (based on a successful accelerating structure with distributed coupling developed at SLAC) for industrial applications and serial production. Future colliders require high gradient and high efficiency accelerating structures (high shunt impedance). The SLAC accelerator laboratory recently developed a series of accelerating structures with distributed coupling. Such a structure includes one or more parallel waveguides which are loaded by accelerating cavities. This approach allows configurations where no RF power is flowing axially through the accelerating cavity while maintaining a traveling RF wave through the cross-section of the accelerating structure. In this case the accelerating cavities are isolated at the beam pipe. Conventional traveling wave structures typically couple the RF power through the beam pipe. This feature constrains the cavity shunt impedance to relatively small values. For this reason, the distributed coupling design improves efficiency while reducing cost and improving the operational flexibility of particle accelerators. High gradient operation poses the risk of having a high breakdown rates. In traditional standing and traveling wave structures, RF power flows through the accelerating cells. For distributed coupling structures, this risk is reduced because the absence of power flow through the accelerating cavity allows configurations where no power flows through the beam pipe. Finally, the distributed coupling accelerating structure design allows fabricating structures in two halves. This significantly reduces the complexity of machining, brazing and tuning.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {3}
}

Technical Report:
This technical report may be released as soon as September 11, 2022
Other availability
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