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Title: Investigation of a stripline transmission line structure for gyromagnetic nonlinear transmission line high power microwave sources

Abstract

A stripline gyromagnetic nonlinear transmission line (NLTL) was constructed out of yttrium iron garnet ferrite and tested at charge voltages of 35 kV–55 kV with bias fields ranging from 10 kA/m to 20 kA/m. Typically, high power gyromagnetic NLTLs are constructed in a coaxial geometry. While this approach has many advantages, including a uniform transverse electromagnetic (TEM) mode, simple interconnection between components, and the ability to use oil or pressurized gas as an insulator, the coaxial implementation suffers from complexity of construction, especially when using a solid insulator. By moving to a simpler transmission line geometry, NLTLs can be constructed more easily and arrayed on a single substrate. This work represents a first step in exploring the suitability of various transmission line structures, such as microstrips and coplanar waveguides. The resulting high power microwave (HPM) source operates in ultra high frequency (UHF) band with an average bandwidth of 40.1% and peak rf power from 2 MW to 12.7 MW.

Authors:
; ; ; ;  [1]
  1. Center for Pulsed Power & Power Electronics, Texas Tech University, Lubbock, Texas 79409 (United States)
Publication Date:
OSTI Identifier:
22597096
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 87; Journal Issue: 3; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ELECTRIC POTENTIAL; FERRITE GARNETS; GEOMETRY; IMPLEMENTATION; IRON; MICROWAVE RADIATION; NONLINEAR PROBLEMS; SUBSTRATES; TRANSMISSION ELECTRON MICROSCOPY; WAVEGUIDES; YTTRIUM

Citation Formats

Reale, D. V., E-mail: david.reale@ttu.edu, Parson, J. M., Neuber, A. A., Dickens, J. C., and Mankowski, J. J. Investigation of a stripline transmission line structure for gyromagnetic nonlinear transmission line high power microwave sources. United States: N. p., 2016. Web. doi:10.1063/1.4942246.
Reale, D. V., E-mail: david.reale@ttu.edu, Parson, J. M., Neuber, A. A., Dickens, J. C., & Mankowski, J. J. Investigation of a stripline transmission line structure for gyromagnetic nonlinear transmission line high power microwave sources. United States. doi:10.1063/1.4942246.
Reale, D. V., E-mail: david.reale@ttu.edu, Parson, J. M., Neuber, A. A., Dickens, J. C., and Mankowski, J. J. Tue . "Investigation of a stripline transmission line structure for gyromagnetic nonlinear transmission line high power microwave sources". United States. doi:10.1063/1.4942246.
@article{osti_22597096,
title = {Investigation of a stripline transmission line structure for gyromagnetic nonlinear transmission line high power microwave sources},
author = {Reale, D. V., E-mail: david.reale@ttu.edu and Parson, J. M. and Neuber, A. A. and Dickens, J. C. and Mankowski, J. J.},
abstractNote = {A stripline gyromagnetic nonlinear transmission line (NLTL) was constructed out of yttrium iron garnet ferrite and tested at charge voltages of 35 kV–55 kV with bias fields ranging from 10 kA/m to 20 kA/m. Typically, high power gyromagnetic NLTLs are constructed in a coaxial geometry. While this approach has many advantages, including a uniform transverse electromagnetic (TEM) mode, simple interconnection between components, and the ability to use oil or pressurized gas as an insulator, the coaxial implementation suffers from complexity of construction, especially when using a solid insulator. By moving to a simpler transmission line geometry, NLTLs can be constructed more easily and arrayed on a single substrate. This work represents a first step in exploring the suitability of various transmission line structures, such as microstrips and coplanar waveguides. The resulting high power microwave (HPM) source operates in ultra high frequency (UHF) band with an average bandwidth of 40.1% and peak rf power from 2 MW to 12.7 MW.},
doi = {10.1063/1.4942246},
journal = {Review of Scientific Instruments},
number = 3,
volume = 87,
place = {United States},
year = {Tue Mar 15 00:00:00 EDT 2016},
month = {Tue Mar 15 00:00:00 EDT 2016}
}