Use of highTcsuperconductors for far‐infrared Fabry–Perot resonators
作者:
K. F. Renk,
J. Betz,
J. Schu¨tzmann,
A. Pru¨ckl,
B. Brunner,
H. Lengfellner,
期刊:
Applied Physics Letters
(AIP Available online 1990)
卷期:
Volume 57,
issue 20
页码: 2148-2149
ISSN:0003-6951
年代: 1990
DOI:10.1063/1.103922
出版商: AIP
数据来源: AIP
摘要:
In this letter we report on the application of highTcsuperconductors for fabrication of far‐infrared Fabry–Perot resonators. Thin films of YBa2Cu3O7−&dgr;deposited on MgO substrates by the laser ablation technique were used as reflectors. Two films on two different MgO plates were arranged parallel at a distance determining the lowest order resonance. We demonstrate operation of a resonator in a frequency range (up to about 300 cm−1) in which MgO is transparent at low temperature.
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