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IEEE Transactions on Microwave Theory and Techniques
Volume 48 Number 7, July 2000

Table of Contents for this issue

Complete paper in PDF format

Single-Crystal Dielectric Resonators for Low-Temperature Electronics Applications

Jerzy Krupka and Janina Mazierska Senior Member, IEEE

Page 1270.

Abstract:

Computed properties of high-Q factor sapphire, YAG, SrLaAlO4, LaAlO3, rutile, and quartz dielectric resonators (DR's) operating on whispering-gallery TE011 and TE01 modes are presented in this paper. Resonators with a superconducting metal or partly superconducting partly metal shield are considered. For whispering-gallery-mode resonators,dielectric losses determine upper limit for their Q factors, while for TE011-mode resonators, their Q factors are usually limited by conductor losses. Single-crystal TE01 -mode resonators would have Q factors determined by both dielectric and conductor losses, and dominant loss mechanism depends on crystal losses and shield geometry. Geometric factors that allow evaluation of conductor losses of TE011-and TE01-mode resonators are given for different DR structures.

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