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Intracavity absorption gas sensor in the near-infrared region by using a tunable erbium-doped fiber laser based on a Hi-Bi FOLM
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Paper Abstract

We report an experimental study erbium-doped fiber laser for gas pressure detection in the L-band wavelength region by laser intracavity absorption spectroscopy. By using a high-birefringence fiber optical loop mirror as spectral filter within the ring cavity laser, the wavelength of the generated laser line is finely selected and tuned in a range of ~10 nm in order to select the wavelength where the gas absorption line is exhibited. Experimental results for detection of CO2 pressure with absorption at 1573.2 nm are shown and discussed. The proposed fiber laser sensor exhibits reliability and stability for gas detection with absorption in the L-band such as CO2, CO, and H2S.

Paper Details

Date Published: 14 May 2018
PDF: 7 pages
Proc. SPIE 10654, Fiber Optic Sensors and Applications XV, 1065413 (14 May 2018); doi: 10.1117/12.2305033
Show Author Affiliations
R. I. Álvarez-Tamayo, Consejo Nacional de Ciencia y Tecnología (Mexico)
Univ. Autónoma de Nuevo León (Mexico)
M. Durán-Sánchez, Consejo Nacional de Ciencia y Tecnología (Mexico)
Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
A. Barcelata-Pinzón, Univ. Tecnológica de Puebla (Mexico)
P. Prieto-Cortés, Univ. Autónoma de Nuevo León (Mexico)
A. F. Rodríguez-Berlanga, Univ. Autónoma de Nuevo León (Mexico)
A. A. Castillo-Guzmán, Univ. Autónoma de Nuevo León (Mexico)
G. Salceda-Delgado, Univ. Autónoma de Nuevo León (Mexico)
R. Selvas-Aguilar, Univ. Autónoma de Nuevo León (Mexico)


Published in SPIE Proceedings Vol. 10654:
Fiber Optic Sensors and Applications XV
Alexis Mendez; Christopher S. Baldwin; Henry H. Du, Editor(s)

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