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Sensors 2013, 13(5), 6355-6364; doi:10.3390/s130506355

An All Fiber Intrinsic Fabry-Perot Interferometer Based on an Air-Microcavity

1
Optoelectrónica-CA, Departamento de Electrónica, DICIS, Universidad de Guanajuato, Carr. Salamanca-Valle km 3.5+1.8, Palo Blanco, Salamanca, Gto 36855, Mexico
2
Espintrónica y Óptica Aplicada-CA, Departamento de Estudios Multidiciplinarios, DICIS, Universidad de Guanajuato, Avenida Universidad s/n, Col. Yacatitas, Yuriria, Gto 38940, Mexico
*
Author to whom correspondence should be addressed.
Received: 6 March 2013 / Revised: 2 May 2013 / Accepted: 13 May 2013 / Published: 14 May 2013
(This article belongs to the Special Issue Photonic Crystal Sensors)
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Abstract

In this work an Intrinsic Fabry-Perot Interferometer (IFPI) based on an air-microcavity is presented. Here the air microcavity, with silica walls, is formed at a segment of a hollow core photonic crystal fiber (HCPCF), which is fusion spliced with a single mode fiber (SMF). Moreover, the spectral response of the IFPI is experimentally characterized and some results are provided. Finally, the viability to use the IFPI to implement a simple, compact size, and low cost refractive index sensor is briefly analyzed.
Keywords: Fabry-Perot interferometer; microcavity; hollow core photonic crystal fiber; refractive index sensor Fabry-Perot interferometer; microcavity; hollow core photonic crystal fiber; refractive index sensor
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Jáuregui-Vázquez, D.; Estudillo-Ayala, J.M.; Rojas-Laguna, R.; Vargas-Rodríguez, E.; Sierra-Hernández, J.M.; Hernández-García, J.C.; Mata-Chávez, R.I. An All Fiber Intrinsic Fabry-Perot Interferometer Based on an Air-Microcavity. Sensors 2013, 13, 6355-6364.

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