On the use of high-Tc superconductors for Perot-Fabry mirrors coatings |
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| Authors: | Xavier Gerbaux Armand Hadni and Masato Tazawa |
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| Institution: | (1) U.R.A.-C.N.R.S. no 809, Université Henri Poincaré, Nancy 1, B.P. 239, F-54506 Vand uvre-lès-Nancy Cedex;(2) NIRI, Nagoya, 1, Hirate-cho, 462 Nagoya, Japan |
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| Abstract: | In a very rough experiment using two MgO plates, coated with a 200 Å thick YBaCuO film to increase their reflectivity, and facing each other their YBaCuO films to make a Perot-Fabry (PF) interferometer, we have observed a 43% maximum transmission and a finesse around 33 at v=29 cm–1, in good accordance with a new phenomenological model for YBaCuO. Much higher performances can be expected by optimizing the YBaCuO film thickness. |
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