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dc.contributor.authorMotuz, Rastislav
dc.date.accessioned2020-04-16T07:19:40Z
dc.date.available2020-04-16T07:19:40Z
dc.date.issued2019cs
dc.identifier.citationProceedings of the 25st Conference STUDENT EEICT 2019. s. 713-717. ISBN 978-80-214-5735-5cs
dc.identifier.isbn978-80-214-5735-5
dc.identifier.urihttp://hdl.handle.net/11012/186765
dc.description.abstractThis paper presents a theoretical analysis dealing with the plasma current measurement in tokamaks. A Polarization Optical Time-Domain Reflectometer (POTDR) setup was used, where the general case of non-uniform magnetic field distribution along the sensing fibre takes place. As a sensing medium, a low birefringent fibre has been chosen. The work is based on the numerical simulations in therms of the Jones formalism and takes into account the OTDR detector noise reflecting the measurement error as a function of the plasma current. The measurement performance is evaluated for an ITER-relevant sensor configuration. Simulation results reveal that for plasma currents from the range of 0 to 1 MA, the signal-to-noise ratio (SNR) of 6 dB complies with the ITER requirements. Subsequently, the SNR level of 4 dB satisfies the plasma current range of 1 to 20 MA. The SNR level of 6 dB is achievable in modern POTDRs.en
dc.formattextcs
dc.format.extent713-717cs
dc.format.mimetypeapplication/pdfen
dc.language.isoencs
dc.publisherVysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologiícs
dc.relation.ispartofProceedings of the 25st Conference STUDENT EEICT 2019en
dc.relation.urihttp://www.feec.vutbr.cz/EEICT/cs
dc.rights© Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologiícs
dc.subjectPOTDRen
dc.subjectplasma currenten
dc.subjectnoiseen
dc.subjectSNRen
dc.subjectRayleigh scatteringen
dc.subjectbackscatteringen
dc.titleThe Otdr Detector Noise Effect Of The Plasma Current Detection In Tokamak-Type Fusion Reactorsen
eprints.affiliatedInstitution.departmentFakulta elektrotechniky a komunikačních technologiícs
but.event.date25.04.2019cs
but.event.titleStudent EEICT 2019cs
dc.rights.accessopenAccessen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionPublishers's versionen


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