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

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

1,* , 1
, 1
, 2
, 1
, 1
 and 2
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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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