Tunable 3D dielectric resonator using a thermoconductive VO sub( 2) material

A temperature-based tunable dielectric resonator is presented showing a tunability of 20 MHz around 11.8 GHz when heated with a drop of the quality factor from 4000 to 286. The puck-shaped alumina resonator contains a thin sapphire sheet coated with VO sub( 2). An overview of the thermoconductive VO...

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Bibliographic Details
Published in:Electronics letters 2014-05, Vol.50 (11), p.821-821
Main Authors: Gonzalez, J M, Delhote, N, Baillargeat, D, Champeaux, C, Roy, L
Format: Article
Language:English
Subjects:
Aluminum oxide
Coating
Dielectrics
Quality factor
Resonators
Sapphire
Simulation
Three dimensional
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Summary:A temperature-based tunable dielectric resonator is presented showing a tunability of 20 MHz around 11.8 GHz when heated with a drop of the quality factor from 4000 to 286. The puck-shaped alumina resonator contains a thin sapphire sheet coated with VO sub( 2). An overview of the thermoconductive VO sub( 2) material used is presented. The design and simulations of the resonator are presented along with the fabricated structure and measurements.
ISSN:0013-5194
1350-911X