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Title: Multi-frequency klystron designed for high efficiency

A multi-frequency klystron has an electron gun which generates a beam, a circuit of bunch-align-collect (BAC) tuned cavities that bunch the beam and amplify an RF signal, a collector where the beam is collected and dumped, and a standard output cavity and waveguide coupled to a window to output RF power at a fundamental mode to an external load. In addition, the klystron has additional bunch-align-collect (BAC) cavities tuned to a higher harmonic frequency, and a harmonic output cavity and waveguide coupled via a window to an additional external load.
Inventors:
Issue Date:
OSTI Identifier:
1368191
Assignee:
The Board of Trustees of the Leland Stanford Junior University SLAC
Patent Number(s):
9,697,978
Application Number:
15/181,239
Contract Number:
AC02-76SF00515
Resource Relation:
Patent File Date: 2016 Jun 13
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Other works cited in this record:

Velocity Modulation Microwave Tube Employing A Harmonic Prebuncher For Improved Efficiency
patent, May 1974

High-efficiency broad-band klystron
patent, August 1988

Leaky wall filter for use in extended interaction klystron
patent, November 1995

Electron beam tubes
patent, October 2002

Multi-energy particle accelerator
patent, February 2005

Multi-beam klystron apparatus
patent, June 2008

Multiple output cavities in sheet beam klystron
patent, March 2015

Apparatus And Method For Trajectory Modulation Of An Electron Beam
patent-application, February 2008

Multiple Output Cavities In Sheet Beam Klystron
patent-application, January 2013

Low-Voltage, Multi-Beam Klystron
patent-application, September 2013

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