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Cladding-Mode-Recoupling-Based Tilted Fiber Bragg Grating Sensor With a Core-Diameter-Mismatched Fiber Section
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2010 (English)In: IEEE PHOTONICS J, ISSN 1943-0655, Vol. 2, no 2, 152-157 p.Article in journal (Refereed) Published
Abstract [en]

We demonstrate a reflective fiber-optic sensor with a core-diameter-mismatched fiber section and cladding-mode recoupling in a tilted fiber Bragg grating (TFBG). High-order cladding modes are efficiently excited by either a multimode fiber or a thin-core fiber section and recoupled back to the core mode by the TFBG. A special reflection spectrum with recoupling of cladding mode is then obtained to exploit the applications of evanescent waves in an optical fiber. Experimental results of the sensor to measure the external refractive index are presented.

Place, publisher, year, edition, pages
2010. Vol. 2, no 2, 152-157 p.
Keyword [en]
Fiber optics, fiber Bragg grating (FBG), fiber-optic sensor, refractive index sensor
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-27951DOI: 10.1109/JPHOT.2010.2043246ISI: 000285056600005Scopus ID: 2-s2.0-85008024142OAI: oai:DiVA.org:kth-27951DiVA: diva2:383192
Note
QC 20110104Available from: 2011-01-04 Created: 2011-01-03 Last updated: 2013-11-19Bibliographically approved

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He, Sailing

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