Parallel Fabry-Perot interferometer in suspended twin-core fiber

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Date
2013
Authors
Ricardo Melo André
Kobelke,J
Schuster,K
Bartelt,H
Manuel Joaquim Marques
Orlando Frazão
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Abstract
Small sections of suspended twin-core fiber are used in reflection configurations to create two parallel Fabry-Perot cavities. Situations where both cores are excited and where only one core is excited are analyzed and compared. When both cores are excited, two parallel and equivalent cavities are formed and an interference pattern with higher visibility is obtained. The structure is also characterized with respect to temperature and a sensitivity of 12.4 pm/K is achieved.
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