Far-infrared Fabry–Perot resonator with high T c YBa2Cu3O7−δ films on silicon plates
- 19 October 1992
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 61 (16) , 1980-1982
- https://doi.org/10.1063/1.108336
Abstract
We report on a far‐infrared Fabry–Perot resonator consisting of two high Tc YBa2Cu3O7−δ films on silicon plates. By pulsed laser deposition we prepared on the (100) silicon plates c‐axis oriented epitaxial films (thickness ∼30 nm) with zero resistance at 88.5 K. We demonstrate operation of the resonator in the terahertz frequency range, up to ∼20 THz. At low temperature a high peak transmissivity (between 0.2 and 0.6) and a finesse of the order of 10 have been reached.Keywords
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