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Proceedings Paper

Dielectric Loss Reduction In Superconducting Transmission Lines
Author(s): Brian Young; Tatsuo Itoh
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Paper Abstract

The dominant loss mechanism is the conductor loss in planar MIC waveguides on low-loss substiates. Superconductors can dramatically reduce the conductor loss, so further reductions in the total loss must come in the dielectric or radiation loss. This paper investigates the use of ~90 K superconductors to reduce the conductor loss. A rigorous mode-matching procedure is used to analyze two microstrip-like transmission lines for their dielectric loss. Total loss reductions are on the order of 10 to 100 times at 10 GHz when using superconductors and dielectric loss reduction techniques. Reductions at other frequencies below 100 GHz should be similar.

Paper Details

Date Published: 8 September 1988
PDF: 5 pages
Proc. SPIE 0947, Interconnection of High Speed and High Frequency Devices and Systems, (8 September 1988); doi: 10.1117/12.947450
Show Author Affiliations
Brian Young, University of Texas (United States)
Tatsuo Itoh, University of Texas (United States)

Published in SPIE Proceedings Vol. 0947:
Interconnection of High Speed and High Frequency Devices and Systems
Alfred P. DeFonzo, Editor(s)

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