NDLI: High-Q Cylindrical Alumina Resonator Based on Bragg Confined Mode of Azimuthal Mode Number Greater Than Zero

Content Provider	IEEE Xplore Digital Library
Author	Le Floch, J.-M. Tobar, M.E. Mouneyrac, D. Cros, D. Krupka, J.
Copyright Year	2007
Description	Author affiliation: Univ. of Western Australia, Crawley (Le Floch, J.-M.; Tobar, M.E.; Mouneyrac, D.)
Abstract	The author's report on the observation of a new type of Bragg confined mode in a dielectric loaded cavity. The structure is built from a hollow single layer dielectric cylinder loaded in a silver plated copper cavity. A resonance was observed at 13.4 GHz with an unloaded Q-factor of order 2 $x10^{5}$ , which is more than a factor of 6 above the dielectric loss limit. Previously such modes have only been realized from pure Transverse Electric modes with no azimuthal variations and only the E component. From simulations using a rigorous numeric technique it is shown that the mode has non-zero azimuthal variations and with dominant $E_{r}$ and E electric field components and $H_{z}$ magnetic field component.
Starting Page	678
Ending Page	680
File Size	742446
Page Count	3
File Format	PDF
ISBN	9781424406463
ISSN	10756787
DOI	10.1109/FREQ.2007.4319160
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-29
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectric losses Q factor Reflection Frequency Whispering gallery modes Dielectric materials Oscillators Silver Copper Erbium
Content Type	Text
Resource Type	Article

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