Spun microstructured optical fibresfor Faraday effect current sensors

Chamorovsky, Yury K; Starostin, N. I.; Morshnev, S. K.; Gubin, V. P.; Ryabko, Maxim; Sazonov, A. I.; Vorob'ev, Igor' L

doi:10.1070/qe2009v039n11abeh014149

Cited by 11 publications

(2 citation statements)

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“…Such fibers offer an alternative means of manipulating the loss and polarization state of guided light [1][2][3][4][5][6], and have found applications in current sensing [7][8][9] and suppression of higher-order modes in fiber lasers [10][11][12]. Some of these ideas have also been applied to photonic crystal fibers (PCFs) [13][14][15][16][17][18]. Because they offer properties that are unattainable in conventional optical fibers, PCFs are having an increasing impact in many fields of optics as well as in other scientific disciplines such as chemistry and biology [19,20].…”

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confidence: 99%

Measuring mechanical strain and twist using helical photonic crystal fiber

et al. 2013

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Solid-core photonic crystal fiber (PCF) with a permanent helical twist exhibits dips in its transmission spectrum at certain wavelengths. These are associated with the formation of orbital angular momentum states in the cladding. Here we investigate the tuning of these states with mechanical torque and axial tension. The dip wavelengths are found to scale linearly with both axial strain and mechanical twist rate. Analysis shows that the tension-induced shift in resonance wavelength is determined both by the photoelastic effect and by the change in twist rate, while the torsion-induced wavelength shift depends only on the change in twist rate. Twisted PCF can act as an effective optically monitored torque-tension transducer, twist sensor, or strain gauge.

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confidence: 99%

Measuring mechanical strain and twist using helical photonic crystal fiber

et al. 2013

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“…Gigantic FR has been reported for thin films [ 187 , 188 , 189 , 190 ], magneto-optical photonic crystals [ 20 , 191 , 192 , 193 ] and ferrofluids [ 22 , 194 , 195 , 196 , 197 ]. A few exotic structures possessing or mimicing FR have been reported [ 198 , 199 , 200 , 201 , 202 , 203 , 204 , 205 , 206 , 207 , 208 , 209 ]. A Verdet constant three orders of magnitude higher than one of CMT has been achieved [ 189 ].…”

Section: Choice Of the Faraday Materialsmentioning

confidence: 99%

Fiber Optic Sensors Based on the Faraday Effect

Mihailović

Petričević

2021

Sensors

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Some 175 years ago Michael Faraday discovered magnetic circular birefringence, now commonly known as the Faraday effect. Sensing the magnetic field through the influence that the field has on light within the fiber optic sensor offers several advantages, one of them fundamental. These advantages find application in the measurement of electric current at high voltages by measuring the induced magnetic field, thus warranting application for this kind of fiber optic sensor (FOS) in future smart grids. Difficulties in designing and manufacturing high-performance FOSs were greatly alleviated by developments in optical telecommunication technology, thus giving new impetus to magnetometry based on the Faraday effect. Some of the major problems in the processing of optical signals and temperature dependence have been resolved, yet much effort is still needed to implement all solutions into a single commercial device. Artificial structures with giant Faraday rotation, reported in the literature in the 21st century, will further improve the performance of FOSs based on the Faraday effect. This paper will consider obstacles and limits imposed by the available technology and review solutions proposed so far for fiber optic sensors based on the Faraday effect.

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Lab-in-a-Microfibre

Canning

2014

Springer Series in Surface Sciences

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Spun microstructured optical fibresfor Faraday effect current sensors

Cited by 11 publications

References 2 publications

Measuring mechanical strain and twist using helical photonic crystal fiber

Measuring mechanical strain and twist using helical photonic crystal fiber

Fiber Optic Sensors Based on the Faraday Effect

Lab-in-a-Microfibre

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