Sapphire dielectric ring resonator operating in "whispering-gallery" mode helps to stabilize frequency and phase of microwave oscillator. Reduces phase noise appreciably at room temperature and promises unprecedented stability of phase at cryogenic temperatures.
Sapphire Ring Resonator For Microwave Oscillator
NASA Tech Briefs ; 15 , 9
1991-09-01
Miscellaneous
No indication
English
Temperature-Compensated Sapphire Microwave Resonator
NTRS | 1996
|Microwave Frequency Discriminator With Sapphire Resonator
Online Contents | 1994
Mode Orientation Control for Sapphire Dielectric Ring Resonator
Online Contents | 1996