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Propagation of terahertz bandwidth electrical pulses on YBa2Cu3O7−&dgr;transmission lines on lanthanum aluminate

 

作者: Martin C. Nuss,   P. M. Mankiewich,   R. E. Howard,   B. L. Straughn,   T. E. Harvey,   C. D. Brandle,   G. W. Berkstresser,   K. W. Goossen,   P. R. Smith,  

 

期刊: Applied Physics Letters  （AIP Available online 1989）
卷期: Volume 54, issue 22  

页码: 2265-2267

 

ISSN:0003-6951

 

年代: 1989

 

DOI:10.1063/1.101519

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We study the propagation of terahertz bandwidth electrical pulses on high critical current densityc‐axis oriented YBa2Cu3O7−&dgr;(YBCO) coplanar transmission lines deposited epitaxially on the low dielectric loss substrate lanthanum aluminate (LaAlO3). The losses on the YBCO transmission line are lower than on an equivalent gold line on the same substrate at temperatures below 50 K. At higher temperatures, absorption and dispersion of the ultrashort electrical pulses are observed in reasonable agreement with Mattis–Bardeen theory.

 

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