Title :
Cryogenic sapphire dielectric resonators: performance and potential
Author :
Langham, C.D. ; Gallop, J.C.
Author_Institution :
Nat. Phys. Lab., Teddington, UK
Abstract :
Sapphire dielectric resonators (SDR) at cryogenic temperatures have been used to produce oscillators of exceptional short and medium term stability. We discuss the demonstrated performance achieved at NPL as well as potential long term capabilities of this type of oscillator.
Keywords :
cryogenic electronics; dielectric resonator oscillators; frequency measurement; frequency stability; measurement standards; microwave oscillators; sapphire; superconducting resonators; Al/sub 2/O/sub 3/; NPL; cryogenic dielectric resonators; dielectric resonator oscillators; dielectric-loaded superconducting resonators; frequency standards; long term capabilities; oscillator stability; sapphire; Cryogenics; Dielectrics; Frequency; Oscillators; Stability; Superconducting transition temperature; Temperature control; Temperature dependence; Temperature sensors; Turning;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1996 Conference on
Conference_Location :
Braunschweig, Germany
Print_ISBN :
0-7803-3376-4
DOI :
10.1109/CPEM.1996.546764
