Concepedia

Ultrahigh Q-factor cryogenic sapphire resonator

André N. Luiten, A.G. Mann, D. G. Blair

Electronics Letters · 1993 · 60 citations · 6 references

DOI

Concepts

Abstract

Measurements were made of the electrical quality factor in ‘whispering gallery’ modes of a cylindrical, high purity single crystal sapphire dielectric resonator. A Q-factor of 8.3 × 109 at 1.6 K for a mode at 12.7 GHz is reported.

References

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