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Application of remote power-by-light switching in a simplified BOTDA sensor network

Abstract: We propose and demonstrate the use of spatial multiplexing as a means to reduce the costs of distributed sensing networks. We propose a new scheme in which remote power-by-light switching is deployed to scan multiple branches of a distributed sensing network based on Brillouin Optical Time Domain Analysis (BOTDA) sensors. A proof-of-concept system is assembled with two 5-km sensor fiber branches that are alternatively monitored using a fast remotely controlled and optically powered optical switch. The multiplexed distributed sensor fibers were located 10 km away from the interrogation unit and a Raman pump is used to remotely power the switch. Furthermore, the deployed BOTDA unit uses an alternative configuration that can lead to simplified setups.

Other publications of the same journal or congress with authors from the University of Cantabria

 Fuente: Sensors, 2013, 13(12), 17434-17444

 Publisher: MDPI

 Publication date: 17/12/2013

 No. of pages: 11

 Publication type: Article

 DOI: 10.3390/s131217434

 ISSN: 1424-8220

 Spanish project: TEC2010-20224-C01

Authorship

BRAVO ACHA, MIKEL

ANGEL ULLAN NIETO

ZORNOZA INDART, ANDER

ALAYN LOAYSSA LARA

LÓPEZ AMO, MANUEL