Strain sensors based on fiber Bragg gratings for volcano monitoring

Beverini, N.; Calamai, M.; Carbone, Daniele; Carelli, Giorgio; Fotino, Nicoletta; Francesconi, F.; Gambino, Salvatore; Grassi, Renzo; Maccioni, Enrico; Messina, A.; Morganti, M.; Sorrentino, F.

doi:10.1049/cp.2015.0177

Cited by 2 publications

(1 citation statement)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Some of these applications include the detection and propagation of tsunamis, which is of vital importance for the protection of natural environment, coastal population and structures [1]. Monitoring strain changes at volcanic areas can predict the possible evolution towards critical situations [2]. In addition, health monitoring of offshore platforms allows reducing costs, improving safety and increasing their operational lifetime [3].…”

Section: Introductionmentioning

confidence: 99%

Ultra-long (290 km) remote interrogation sensor network based on a random distributed feedback fiber laser

DeMiguel-Soto¹,

Leandro²,

Lopez-Amo³

2018

Opt. Express

View full text Add to dashboard Cite

In this work, an interferometric sensor has been interrogated 290 km away from the monitoring station, reaching the longest distance in fiber optic sensing up to date. This has been attained by employing a double-pumped random distributed feedback fiber laser as the light source for a fiber optic low-coherence interferometry scheme. Additionally, the capability of the system to achieve coherence multiplexing for ultra-long range measurements (up to 270 km) has been proved, without presenting crosstalk between the sensors. The use of coherence multiplexing together with a random distributed feedback fiber laser addresses two of the main limitations of long-range sensing setups: their limited multiplexing capability and the need to reach the maximum monitoring distance.

show abstract

Section: Introductionmentioning

confidence: 99%