Microstructured fibers optimized for transverse load and pressure sensing
We first shortly review the state-of-the-art of microstructured optical fiber Bragg grating (MOFBG) sensors for transverse load and pressure monitoring applications.We then focus on a specific microstructured fiber design to which we refer as ‘ButterflyMOF.This fiber is highly birefringent and has a large mechanical asymmetry.Its microstructure was optimized to encode loads perpendicular to the fibers axis into a change of the spectral distance between the two Bragg peaks reflected by a fiber Bragg grating in this fiber.Such MOFBG sensors allow measuring transverse strains and hydrostatic pressures with an order of magnitude increase of the sensitivity over conventional birefringent fibers.We then discuss the potential of our MOFBG sensors for structural health monitoring related applications,including high-pressure sensing,three-dimensional strain measurements inside composite materials and disbond monitoring in adhesive joints based on shear strain measurements.
Thomas Geernaert Sanne Sulejmani Camille Sonnenfeld Geert Luyckx Joris Degrieck Karima Chah Martin Becker Hugo Thienpont Francis Berghmans
Vrije Universiteit Brussel,Department of Applied Physics and Photonics,Brussels Photonics Team,Plein Universiteit Gent,Department of Materials Science and Engineering,Technologiepark 903,9052 Gent,Belg Université de Mons,Department of Electromagnetism and Telecommunications,Boulevard Dolez 31,7000 Mon Institute of Photonic Technology,Albert-Einstein-Straβe 9,07745 Jena,Germany
国际会议
2014 Asia Communications and Photonics Conference(ACP2014)(2014亚洲通信与光子学大会)
上海
英文
1-3
2014-11-11（万方平台首次上网日期，不代表论文的发表时间）