Title :
High-sensitivity dielectric loss measurements by using superconducting microwave resonators in an oscillator loop
Author_Institution :
Technische Universitÿt Braunschweig, Institut fÿr Hochfrequenztechnik, Braunschweig, West Germany
Abstract :
The method allows easy and highly accurate measurements of microwave resonator parameters. By using superconducting resonators, the loss tangent of polyethylene at 2.2 K and 6.5 GHz was found to be the lowest of any solid so far measured: tan ¿ = 3.7 × 10¿7 ± 7%.
Keywords :
cavity resonators; dielectric loss measurement; dielectric losses; dielectric properties of solids; microwave measurement; polymers; superconducting devices; 2.2K; 6.5 GHz; high sensitivity dielectric loss measurement; loss tangent; oscillator loop; polyethylene; superconducting microwave resonators;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770006
