Fiber designs for micro-seismic sensing

Andy M. Gillooly; Mark D. Hill

doi:10.1117/12.2027070

20 May 2013 Fiber designs for micro-seismic sensing

Andy M. Gillooly, Mark D. Hill

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87943S (2013) https://doi.org/10.1117/12.2027070
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

Acrylate and polyimide coatings are found to have a suitable modulus for micro-seismic sensors whilst carbon coatings are too hard and inelastic for reliable use in this application. Fiber cladding designs can be optimized for mechanical reliability by using 80μm or 50μm cladding diameters and the numerical aperture (NA) increased to give low bend losses. To reduce splice losses, a bridging fiber has been developed, capable of reducing splice losses between telecoms fibers and reduced cladding diameter high NA sensor fibers by <50%.

Citation Download Citation

Andy M. Gillooly and Mark D. Hill "Fiber designs for micro-seismic sensing", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943S (20 May 2013); https://doi.org/10.1117/12.2027070

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