Fully switchable multi-wavelength fiber laser based interrogator system for remote and versatile fiber optic sensors multiplexing structures

M. Bravo Acha; V. DeMiguel-Soto; A. Ortigosa; M. Lopez-Amo

doi:10.1117/12.2059515

2 June 2014 Fully switchable multi-wavelength fiber laser based interrogator system for remote and versatile fiber optic sensors multiplexing structures

M. Bravo Acha, V. DeMiguel-Soto, A. Ortigosa, M. Lopez-Amo

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91576P (2014) https://doi.org/10.1117/12.2059515
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A novel interrogation system for multiple fiber optic sensor technologies and based on a fully-switchable multiwavelength fiber laser (MWFL) is proposed and experimentally demonstrated. The MWFL can generate any wavelength combination with a minimum emission line distance up to 50 GHz fitting the ITU grid specifications. On the other hand, as proof of concept sensor network, two different networks were multiplexed by using a remote powered by light fiber optic switch. They are based on two different sensor technologies. One of them based on PCF intensity sensors and multiplexed by using an 8 port WDM and the other one based on wavelength temperature/strain FBG sensors.

Citation Download Citation

M. Bravo Acha, V. DeMiguel-Soto, A. Ortigosa, and M. Lopez-Amo "Fully switchable multi-wavelength fiber laser based interrogator system for remote and versatile fiber optic sensors multiplexing structures", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576P (2 June 2014); https://doi.org/10.1117/12.2059515

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