Experimental validation of multipactor effect for ferrite materials used in L- and S-band nonreciprocal microwave components

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URI: http://hdl.handle.net/10902/18318
ISSN: 0018-9480
ISSN: 1557-9670
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Autoría
Vague Cardona, José Joaquín; Melgarejo Lermas, Juan Carlos; Boria Esbert, Vicente Enrique; Guglielmi, Marco; Moreno Cambronero, María Rocío; Reglero Mangada, Marta Sofía; Mata Sanz, Rafael; Montero Herrero, Isabel; González Iglesias, Daniel; Gimeno Martínez, Benito; Gómez Gómez, ÁlvaroAutoridad Unican; Vegas García, ÁngelAutoridad Unican; Raboso García-Baquero, David
Fecha
2019-06
Derechos
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE Transactions on Microwave Theory and Techniques, 2019, 67(6), 2151-2161
IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Reykjavik, Iceland, 2018
Editorial
Institute of Electrical and Electronics Engineers Inc.
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Palabras clave
Ferrites
Ferromagnetic resonance
Gadolinium-Aluminum garnet
Holmium garnet
Multipactor
Space applications
Wideband non-reciprocal devices
Resumen/Abstract
This paper reports on the experimental measurement of power threshold levels for the multipactor effect between samples of ferrite material typically used in the practical implementation of L- and S-band circulators and isolators. For this purposes, a new family of wideband, nonreciprocal rectangular waveguide structures loaded with ferrites has been designed with a full-wave electromagnetic simulation tool. The design also includes the required magnetostatic field biasing circuits. The multipactor breakdown power levels have also been predicted with an accurate electron tracking code using measured values for the secondary electron yield (SEY) coefficient. The measured results agree well with simulations, thereby fully validating the experimental campaign.
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