SINGLE-PLATE FAR-INFRARED FABRY-PEROT ETALONS WITH HIGH-T(C) SUPERCONDUCTING COATINGS

PECHEN, EV and ANZIN, VB and PRUCKL, A and SCHONBERGER, R and BRUNNER, B and RENK, KF (1994) SINGLE-PLATE FAR-INFRARED FABRY-PEROT ETALONS WITH HIGH-T(C) SUPERCONDUCTING COATINGS. ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 94 (1-2). pp. 13-15. ISSN 0722-3277,

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Abstract

We report on single-plate far-infrared Fabry-Perot etalons with high-T(c) superconducting coatings. The etalons consisted of plane-parallel silicon plates covered on both sides with (001)-oriented YBa2Cu3O7-delta thin films. While the far-infrared transmission spectra showed a modulation for temperatures above T(c), sharp Fabry-Perot resonances were observed for low temperatures. In a frequency range around 2 THz we found values for the finesse of 10 to 20 and peak-transmissivities of 0.05 to 0.4. Due to the high transparency of Si, measuring of the transmissivity of etalons allows determination of the optical constants of the coatings.

Item Type: Article
Uncontrolled Keywords: ;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:40
URI: https://pred.uni-regensburg.de/id/eprint/53399

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