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dc.contributor.authorMao, Yuan
dc.contributor.authorAshry, Islam
dc.contributor.authorWang, Biwei
dc.contributor.authorHveding, Frode
dc.contributor.authorBukhamseen, Ahmed Y.
dc.contributor.authorNg, Tien Khee
dc.contributor.authorOoi, Boon S.
dc.date.accessioned2020-06-22T06:41:16Z
dc.date.available2020-06-22T06:41:16Z
dc.date.issued2020-05-20
dc.date.submitted2020-03-24
dc.identifier.citationMao, Y., Ashry, I., Wang, B., Hveding, F., Bukhamseen, A. Y., Ng, K. T., & Ooi, B. S. (2020). Sensing within the OTDR dead-zone using a two-mode fiber. Optics Letters, 45(11), 2969. doi:10.1364/ol.393539
dc.identifier.issn1539-4794
dc.identifier.issn0146-9592
dc.identifier.doi10.1364/OL.393539
dc.identifier.urihttp://hdl.handle.net/10754/663752
dc.description.abstractAn optical time-domain reflectometer (OTDR) is incapable of providing sensing or diagnostic information within dead-zones. We use a two-mode fiber (TMF) and a photonic lantern to completely overcome the main OTDR's dead-zone originating from the front facet of optical fiber. This is achieved by injecting the optical pulses of the OTDR in the form of the fundamental LP01 mode and meanwhile collecting the Rayleigh signals associated with the higher-order modes. Using the reported TMF-based OTDR, we accurately sense the position and frequency of a vibration event located within the dead-zone as a proof-of-concept demonstration.
dc.description.sponsorshipSaudi Aramco (RGC/3/3138-01); King Abdullah University of Science and Technology (BAS/1/1614-01-01, GEN/1/6607-01-01,KCR/1/2081-01-01).
dc.publisherThe Optical Society
dc.relation.urlhttps://www.osapublishing.org/abstract.cfm?URI=ol-45-11-2969
dc.rightsArchived with thanks to Optics Letters
dc.titleSensing within the OTDR dead-zone using a two-mode fiber
dc.typeArticle
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentPhotonics Laboratory
dc.identifier.journalOptics Letters
dc.eprint.versionPost-print
dc.contributor.institutionDepartment of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
dc.contributor.institutionEXPEC Advanced Research Center, Saudi Aramco, Dhahran 34464, Saudi Arabia
dc.identifier.volume45
dc.identifier.issue11
dc.identifier.pages2969-2972
kaust.personMao, Yuan
kaust.personAshry, Islam
kaust.personWang, Biwei
kaust.personNg, Tien Khee
kaust.personOoi, Boon S.
dc.date.accepted2020-04-20
dc.identifier.eid2-s2.0-85085855117
refterms.dateFOA2020-06-22T10:46:39Z
dc.date.published-online2020-05-20
dc.date.published-print2020-06-01


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