Compound lasing fiber optic ring resonators for sensor sensitivity enhancement
Fecha
2015Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión aceptada / Onetsi den bertsioa
Impacto
|
10.1109/JLT.2014.2387428
Resumen
In this work, a new method for increasing simultaneously the sensitivity and interrogation stability of fiberoptic intensity sensors is presented. The configuration is based on a double-coupler ring resonator. On one side, the attenuation sensitivity of the sensor is enhanced by placing it inside a ring resonator. On the other side, the stability of the interrogation method is widely improved by ...
[++]
In this work, a new method for increasing simultaneously the sensitivity and interrogation stability of fiberoptic intensity sensors is presented. The configuration is based on a double-coupler ring resonator. On one side, the attenuation sensitivity of the sensor is enhanced by placing it inside a ring resonator. On the other side, the stability of the interrogation method is widely improved by creating an external lasing ring
resonator with matched spectral response. The combination of the wavelength selective response of the ring resonator and optical amplification from Er-doped fiber amplifier is used to create different fiber lasers. The resulting lasers present an impressive sensitivity enhancement and a dynamic range increment up to 15 dB. Simultaneously, the instability of the system is reduced to ±0.05 dB. In comparison with systems based
on tunable laser interrogation, our method is >100 times more stable and also simpler, as no wavelength tunable elements are required. [--]
Materias
Optical fiber laser,
Fiber optic ring resonator,
Optical fiber sensor,
Optical amplification
Editor
IEEE / OSA
Publicado en
Journal of Lightwave Technology, 2015, 33 (12), 2690-2696
Departamento
Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica /
Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa eta Elektronikoa Saila
Versión del editor
Entidades Financiadoras
The authors would like to acknowledge the financial support from the Spanish Ministerio de Educación y Ciencia through projects TEC2010-20224-C02-01, TEC2013-47264-C2-2-R, TEC2012-37958-C02-01 and Innocampus; from the European FEDER funding, ECOAL-MGT SUDOE project and from the European Research Council through Starting Grant U-FINE (Grant No. 307441).
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