High-temperature superconductor microwave circuits
Thesis/Dissertation
·
OSTI ID:5353252
Microwave properties of superconductors are discussed from the electromagnetics point of view, treating a superconducting material as a dielectric with a negative real part of the permittivity. A superconductive surface wave is predicted and discussed. Maxwell's equations for dispersive media and the formulation of a time-domain simulation of dispersive boundary problems are given. A parallel-plate superconductive transmission line is analyzed by treating the superconductor as a negative dielectric material. The design of a Josephson sampling circuit for measuring pulse propagation on superconductive transmission lines is proposed. From that measurement, the surface impedance of a superconducting materials suitable for planar transmission lines can be found. Various high-{Tc} superconductive resonators, filters, and hybrid superconductor/semiconductor phase shifters were made and tested and results are briefly discussed.
- Research Organization:
- California Univ., Berkeley, CA (United States)
- OSTI ID:
- 5353252
- Country of Publication:
- United States
- Language:
- English
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