Title :
Sapphire resonator
Author :
Dieulesaint, E. ; Royer, D. ; Servajan, X.
Author_Institution :
Université Pierre et Marie Curie, Laboratoire d´Acoustoélectricité, Paris, France
Abstract :
A resonator made of a sapphire bar has been thermally excited in a flexural mode by heating a thin layer deposited on one side of the bar. The vibration was detected optically. A Q-factor of 800,000 was measured at the resonance frequency of 20,262 Hz.
Keywords :
Q-factor; crystal resonators; Q-factor; flexural mode; heating; resonance frequency; resonator; sapphire bar; vibration;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860183
