Use of high T c superconductors for far-infrared Fabry–Perot resonators
- 12 November 1990
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 57 (20) , 2148-2149
- https://doi.org/10.1063/1.103922
Abstract
In this letter we report on the application of high Tc superconductors for fabrication of far-infrared Fabry–Perot resonators. Thin films of YBa2Cu3O7−δ 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.Keywords
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