DISPERSION IN NB MICROSTRIP TRANSMISSION-LINES AT SUBMILLIMETER WAVE FREQUENCIES

被引：14
|
作者：
JAVADI, HHS
MCGRATH, WR
BUMBLE, B
LEDUC, HG
机构：
[1] Center for Space Microelectronics Technology, Jet Propulsion Laboratory, California Institute of Technology, Pasadena
来源：
APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 22期
关键词：
D O I：
10.1063/1.108069
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have measured the effects of dispersion on the resonant mode frequencies of open-ended Nb-SiOx-Nb microstrip transmission lines over a frequency range from 50 to 800 GHZ. Submicron Nb/Al-AlOx/Nb Josephson junctions were used as both voltage-controlled oscillators and detectors to sample the high order modes of the resonators. The resonator modes are equally spaced up to about 550 GHz where the mode spacing start to decrease gradually to a minimum above the gap frequency f(g) almost-equal-to 700 GHz and then increases. Results are in good agreement with the expected theoretical behavior based on the Mattis-Bardeen conductivity of the superconductor line.
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页码：2712 / 2714
页数：3
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