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Analysis of the rutile-ring method of frequency-temperature compensation of a high-Q whispering gallery sapphire resonator

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7 Author(s)
Tobar, M.E. ; Dept. of Phys., Western Australia Univ., Nedlands, WA, Australia ; Hartnett, J.G. ; Duchiron, G. ; Cros, D.
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Rigorous analysis of the rutile-ring method of frequency-temperature compensating of a high-Q sapphire resonator has been presented. A high Q-factor of 30 million was obtained with an annulment temperature of 56 K mainly limited by dielectric loss. The condition to obtain a low spurious mode density, high-q resonance that has a low susceptibility to environmental effects was established. It is desirable to design the compensation in the regime dominated by an antiresonance effect due to the rutile rings

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Frequency Control Symposium and Exhibition, 2000. Proceedings of the 2000 IEEE/EIA International

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