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Proceedings Paper

Viability analysis of a dual gas sensor based on a single Fabry-Perot interferometer
Author(s): E. Vargas-Rodriguez; D. A. May-Arrioja; J. M. Estudillo-Ayala; R. Rojas Laguna; R. I. Mata-Chavez; E. Alvarado Mendez
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Paper Abstract

In this work an investigation into the viability of a dual gas sensor based on correlation spectroscopy using a single Fabry-Perot Interferometer (FPI) is presented. Here, based on sensor response simulations, it is demonstrated that the commonly considered undesirable effect due to multiple internal reflections of the FPI's mirror substrate can be used to increase the sensing capability of the system. Usually designers tend to minimize these reflections to improve the FPI transmission spectrum. However we let them to occur in order to used them as a part of the modulation system of the sensor which allows us to detect two gases simultaneously using a single FPI.

Paper Details

Date Published: 3 December 2009
PDF: 5 pages
Proc. SPIE 7499, Seventh Symposium Optics in Industry, 749911 (3 December 2009); doi: 10.1117/12.849126
Show Author Affiliations
E. Vargas-Rodriguez, Univ. de Guanajuato (Mexico)
D. A. May-Arrioja, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
J. M. Estudillo-Ayala, Univ. de Guanajuato (Mexico)
R. Rojas Laguna, Univ. de Guanajuato (Mexico)
R. I. Mata-Chavez, Univ. de Guanajuato (Mexico)
E. Alvarado Mendez, Univ. de Guanajuato (Mexico)

Published in SPIE Proceedings Vol. 7499:
Seventh Symposium Optics in Industry
Guillermo García Torales; Jorge L. Flores Núñez; Gilberto Gómez Rosas; Eric Rosas, Editor(s)

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