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Title: A Pulsed Depressed Collector for a 5 MW S-Band Klystron

Authors:
; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); High Energy Physics (HEP)
OSTI Identifier:
1346526
Report Number(s):
SLAC-PUB-16939
DOE Contract Number:
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 18th International Vacuum Electronics Conference (IVEC 2017), 24-26 Apr 2017. London, United Kingdom
Country of Publication:
United States
Language:
English
Subject:
ACCSYS, ENG, INST

Citation Formats

Kemp, M., Haase, A., Jongewaard, E., Kowalczyk, R., /SLAC, Habermann, T., Kolda, P., Lenci, S., Shabazian, A, Stockwell, B., /CPI, Palo Alto, Jensen, A., and /Leidos, Billerica. A Pulsed Depressed Collector for a 5 MW S-Band Klystron. United States: N. p., 2017. Web.
Kemp, M., Haase, A., Jongewaard, E., Kowalczyk, R., /SLAC, Habermann, T., Kolda, P., Lenci, S., Shabazian, A, Stockwell, B., /CPI, Palo Alto, Jensen, A., & /Leidos, Billerica. A Pulsed Depressed Collector for a 5 MW S-Band Klystron. United States.
Kemp, M., Haase, A., Jongewaard, E., Kowalczyk, R., /SLAC, Habermann, T., Kolda, P., Lenci, S., Shabazian, A, Stockwell, B., /CPI, Palo Alto, Jensen, A., and /Leidos, Billerica. Mon . "A Pulsed Depressed Collector for a 5 MW S-Band Klystron". United States. doi:. https://www.osti.gov/servlets/purl/1346526.
@article{osti_1346526,
title = {A Pulsed Depressed Collector for a 5 MW S-Band Klystron},
author = {Kemp, M. and Haase, A. and Jongewaard, E. and Kowalczyk, R. and /SLAC and Habermann, T. and Kolda, P. and Lenci, S. and Shabazian, A and Stockwell, B. and /CPI, Palo Alto and Jensen, A. and /Leidos, Billerica},
abstractNote = {},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Mar 06 00:00:00 EST 2017},
month = {Mon Mar 06 00:00:00 EST 2017}
}

Conference:
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  • As part of an international collaboration, the Stanford Linear Accelerator Center (SLAC) klystron group has designed, fabricated, and tested a 60-Hz, 3-{mu}s, 150-MW S-band klystron built for Deutsches Elektronen Synchrotron (DESY). A test diode with a 535-kV, 700-A electron beam was constructed to verify the gun operation. The first klystron was built and successfully met design specifications. The 375-MW electron beam represents a new record for SLAC accelerator klystrons in terms of voltage, current, energy, and ruggedness of design. The rf output power is a 150% increase over the S-band tubes currently used in the two-mile-long linear accelerator at SLAC.more » This paper discusses design issues and experimental results of the diode and klystron.« less
  • Two S-Band klystrons operating at 150 MW have been designed, fabricated and tested at the Stanford Linear Accelerator Center (SLAC) during the past two years for use in an experimental accelerator at Deutsches Elektronen-Synchrotron (DESY) in Hamburg, Germany. Both klystrons operate at the design power, 60 Hz repetition rate, 3 {micro}s pulsewidth, with an efficiency {gt} 40%, and agreement between the experimental results and simulations is excellent. The 535 kV, 700 A electron gun was tested by constructing a solenoidal focused beam stick which identified a source of oscillation, subsequently engineered out of the klystron guns. Design of the beammore » stick and the two klystrons is discussed, along with observation and suppression of spurious oscillations. Differences in design and the resulting performance of the Klystrons is emphasized.« less
  • A 6 MW peak, 24 kW average power S-band Klystron is under development at CEERI, Pilani under an MoU between BARC and CEERI. The design of the klystron has been completed. The electron gun has been designed using TRAK and MAGIC codes. RF cavities have been designed using HFSS and CST Microwave Studio while the complete beam wave interaction simulation has been done using MAGIC code. The thermal design of collector and RF window has been done using ANSYS code. A Gun Collector Test Module (GCTM) was developed before making actual klystron to validate gun perveance and thermal design ofmore » collector. A high voltage solid state pulsed modulator has been installed for performance valuation of the tube. The paper will cover the design aspects of the tube and experimental test results of GCTM and klystron. (author)« less