Distributed coupling and multi-frequency microwave accelerators
Abstract
A microwave circuit for a linear accelerator has multiple metallic cell sections, a pair of distribution waveguide manifolds, and a sequence of feed arms connecting the manifolds to the cell sections. The distribution waveguide manifolds are connected to the cell sections so that alternating pairs of cell sections are connected to opposite distribution waveguide manifolds. The distribution waveguide manifolds have concave modifications of their walls opposite the feed arms, and the feed arms have portions of two distinct widths. In some embodiments, the distribution waveguide manifolds are connected to the cell sections by two different types of junctions adapted to allow two frequency operation. The microwave circuit may be manufactured by making two quasi-identical parts, and joining the two parts to form the microwave circuit, thereby allowing for many manufacturing techniques including electron beam welding, and thereby allowing the use of un-annealled copper alloys, and hence greater tolerance to high gradient operation.
- Inventors:
- Issue Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1260195
- Patent Number(s):
- 9386682
- Application Number:
- 14/795,490
- Assignee:
- The Board of Trustees of the Leland Stanford Junior University (Palo Alto, CA)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01P - WAVEGUIDES
H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05H - PLASMA TECHNIQUE
- DOE Contract Number:
- AC02-76SF00515
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2015 Jul 09
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS
Citation Formats
Tantawi, Sami G., Li, Zenghai, and Borchard, Philipp. Distributed coupling and multi-frequency microwave accelerators. United States: N. p., 2016.
Web.
Tantawi, Sami G., Li, Zenghai, & Borchard, Philipp. Distributed coupling and multi-frequency microwave accelerators. United States.
Tantawi, Sami G., Li, Zenghai, and Borchard, Philipp. Tue .
"Distributed coupling and multi-frequency microwave accelerators". United States. https://www.osti.gov/servlets/purl/1260195.
@article{osti_1260195,
title = {Distributed coupling and multi-frequency microwave accelerators},
author = {Tantawi, Sami G. and Li, Zenghai and Borchard, Philipp},
abstractNote = {A microwave circuit for a linear accelerator has multiple metallic cell sections, a pair of distribution waveguide manifolds, and a sequence of feed arms connecting the manifolds to the cell sections. The distribution waveguide manifolds are connected to the cell sections so that alternating pairs of cell sections are connected to opposite distribution waveguide manifolds. The distribution waveguide manifolds have concave modifications of their walls opposite the feed arms, and the feed arms have portions of two distinct widths. In some embodiments, the distribution waveguide manifolds are connected to the cell sections by two different types of junctions adapted to allow two frequency operation. The microwave circuit may be manufactured by making two quasi-identical parts, and joining the two parts to form the microwave circuit, thereby allowing for many manufacturing techniques including electron beam welding, and thereby allowing the use of un-annealled copper alloys, and hence greater tolerance to high gradient operation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 05 00:00:00 EDT 2016},
month = {Tue Jul 05 00:00:00 EDT 2016}
}
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Works referenced in this record:
Design of RF Feed System for Standing-Wave Accelerator Structures
conference, January 2010
- Neilson, Jeffrey; Tantawi, Sami; Dolgashev, Valery
- ADVANCED ACCELERATOR CONCEPTS: 14th Advanced Accelerator Concepts Workshop, AIP Conference Proceedings
rf distribution system for a set of standing-wave accelerator structures
journal, November 2006
- Tantawi, Sami G.
- Physical Review Special Topics - Accelerators and Beams, Vol. 9, Issue 11
Double pass linear accelerator operating in a standing wave mode
patent, February 1977
- Schriber, Stanley O.
- US Patent Document 4,006,422
Variable energy highly efficient linear accelerator
patent, October 1978
- Vaguine, Victor A.
- US Patent Document 4,118,653
Molded metallized plastic microwave components and processes for manufacture
patent, January 1995
- Oldham, Susan L.; Harvey, Matt; Panaretos, Steve K.
- US Patent Document 5,380,386
High gradient, compact, standing wave linear accelerator structure
patent, November 2001
- Tanabe, Eiji
- US Patent Document 6,316,876
Monolithic structure with asymmetric coupling
patent, November 2003
- Bertsche, Kirk J.; Yao, Chong Guo
- US Patent Document 6,646,383
Standing wave particle beam accelerator
patent, March 2008
- Meddaugh, Gard; Trail, Mark E.; Whittum, David
- US Patent Document 7,339,320
Dual slot resonance coupling for accelerators
patent, July 2012
- Barov, Nikolai; Miller, Roger Heering
- US Patent Document 8,232,749
Multi-stream spectrophotometer module
patent, March 2014
- Fortt, Robin; Steel, Colin; Samper, Victor Donald
- US Patent Document 8,664,617
Slot resonance coupled standing wave linear particle accelerator
patent-application, December 2009
- Miller, Roger; Barov, Nikolai
- US Patent Application 12/152883; 20090302785
Traveling wave linear accelerator with RF power flow outside of accelerating cavities
patent-application, December 2015
- Dolgashev, Valery A.
- US Patent Application 14/730883; 20150359080