Compound Lasing Fiber Optic Ring Resonators for Sensor Sensitivity Enhancement
Identificadores
Enlace permanente (URI): http://hdl.handle.net/10017/26358DOI: 10.1109/JLT.2014.2387428
ISSN: 0733-8724
Editor
IEEE
Fecha de publicación
2015-06-15Patrocinadores
Ministerio de Economía y Competitividad
European Commission
Cita bibliográfica
Rota-Rodrigo, S., González-Herráez, M., López-Amo, M. "Compound lasing fiber optic ring resonators for sensor sensitivity enhancement". Journal of Lightwave Technology, 2015, Vol. 33, issue 12, pp. 2690-2696.
Palabras clave
Fiber optic ring resonator
Optical amplification
Optical fiber laser
Optical fiber sensor
Proyectos
info:eu-repo/grantAgreement/MICINN//TEC2010-20224-C02-01/ES/TECNOLOGIAS PARA SENSORES DE FIBRA OPTICA I/
info:eu-repo/grantAgreement/MINECO//TEC2013-47264-C2-2-R/ES/SENSORES DE FIBRA OPTICA PARA SEGURIDAD Y PROTECCION/
info:eu-repo/grantAgreement/MINECO//TEC2012-37958-C02-01/ES/TECNOLOGIAS DE SEGURIDAD CIVIL BASADAS EN FIBRA OPTICA/
info:eu-repo/grantAgreement/EC/FP7/307441/EU/Ubiquitous optical FIbre NErves/U-FINE
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/acceptedVersion
Versión del editor
http://dx.doi.org/10.1109/JLT.2014.2387428Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
In this study, a new method for increasing simultaneously the sensitivity and interrogation stability of fiber-optic 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.
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