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Title: Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube

Abstract

Here, we report the experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum electronic device, which uses an over-moded spherical sector output cavity. In this device, a pencil electron beam is helically deflected in a transverse deflecting cavity before entering the output cavity. No magnetic field is required to focus or guide the beam. We built and tested a proof-of-principle device with an output frequency of 57.12 GHz. The measured peak power was 52.67 W at the 5th harmonic of the drive frequency. Power at the 4th, 6th, and 7th harmonics was 33.28 dB lower than that at the 5th harmonic.

Authors:
 [1];  [2];  [2];  [2];  [2];  [2];  [3]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Dymenso LLC, San Francisco, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1373201
Alternate Identifier(s):
OSTI ID: 1371494
Grant/Contract Number:  
PHY-1415437; AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 110; Journal Issue: 26; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Toufexis, Filippos, Tantawi, Sami G., Jensen, Aaron, Dolgashev, Valery A., Haase, Andrew, Fazio, Michael V., and Borchard, Philipp. Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube. United States: N. p., 2017. Web. doi:10.1063/1.4990970.
Toufexis, Filippos, Tantawi, Sami G., Jensen, Aaron, Dolgashev, Valery A., Haase, Andrew, Fazio, Michael V., & Borchard, Philipp. Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube. United States. https://doi.org/10.1063/1.4990970
Toufexis, Filippos, Tantawi, Sami G., Jensen, Aaron, Dolgashev, Valery A., Haase, Andrew, Fazio, Michael V., and Borchard, Philipp. Mon . "Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube". United States. https://doi.org/10.1063/1.4990970. https://www.osti.gov/servlets/purl/1373201.
@article{osti_1373201,
title = {Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube},
author = {Toufexis, Filippos and Tantawi, Sami G. and Jensen, Aaron and Dolgashev, Valery A. and Haase, Andrew and Fazio, Michael V. and Borchard, Philipp},
abstractNote = {Here, we report the experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum electronic device, which uses an over-moded spherical sector output cavity. In this device, a pencil electron beam is helically deflected in a transverse deflecting cavity before entering the output cavity. No magnetic field is required to focus or guide the beam. We built and tested a proof-of-principle device with an output frequency of 57.12 GHz. The measured peak power was 52.67 W at the 5th harmonic of the drive frequency. Power at the 4th, 6th, and 7th harmonics was 33.28 dB lower than that at the 5th harmonic.},
doi = {10.1063/1.4990970},
journal = {Applied Physics Letters},
number = 26,
volume = 110,
place = {United States},
year = {Mon Jun 26 00:00:00 EDT 2017},
month = {Mon Jun 26 00:00:00 EDT 2017}
}

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