Please use this identifier to cite or link to this item: http://repositorio.inesctec.pt/handle/123456789/6591
Title: High birefringence triangular optical nanowire in suspended-core fiber for temperature sensing
Authors: Ricardo Melo André
Becker,M
Schuster,K
Rothhardt,M
Bartelt,H
Manuel Joaquim Marques
Orlando Frazão
Issue Date: 2013
Abstract: Triangular nanowires that present a high birefringence and a very strong confinement were fabricated by tapering suspended-core fibers (SCFs) down to core diameters below 1000 nm. Each nanowire presented a high birefringence with an order of magnitude of 10(-3). As the spectra of the SCF tapers inserted in fiber loop mirrors can be used to generate a sinusoidal interference pattern from the two main modes (fast and slow axis), a nanowire was employed as a sensing element in a Sagnac interferometer for measuring temperature. Temperature sensitivity was determined to be -56.2 pm/K using a triangular nanowire of 810 nm in-circle diameter when compared with that of a conventional untapered SCF whose temperature sensitivity is -2.1 pm/K. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
URI: http://repositorio.inesctec.pt/handle/123456789/6591
http://dx.doi.org/10.1117/1.jnp.7.073088
metadata.dc.type: article
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