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Kvantovaya Elektronika, 2014, Volume 44, Number 10, Pages 957–964 (Mi qe16045)  

This article is cited in 11 scientific papers (total in 11 papers)

Fibre-optic sensors

Modified sensing element of a fibre-optic current sensor based on a low-eigenellipticity spun fibre

Ya. V. Przhiyalkovskyab, S. K. Morshnevab, N. I. Starostinab, V. P. Gubinab

a Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
b "Profotech" CJSC, Moscow
References:
Abstract: We have proposed and investigated a modified sensing element of a spun fibre current sensor for the case when the beat length of the built-in linear birefringence of the fibre is equal to or less than the spin pitch of its helical structure. The proposed configuration makes it possible to restore the interferometer contrast reduced because of the decrease in the ellipticity of the wavelength-averaged polarisation state of radiation propagating in such spun fibre. The modified sensing element contains two polarisation state converters: one, located at the spun fibre input, produces polarisation with ellipticity equal to the eigenellipticity of the fibre, and the other ensures conversion of the elliptical polarisation to an orthogonal one through mirror reflection at the fibre output. We have also demonstrated that the magneto-optical sensitivity decreases slightly for the analysed spectrum-averaged parameters of the polarisation state of radiation in the spun fibre. Experimental data lend support to the theoretical predictions.
Keywords: current sensor, Faraday effect, spun fibre.
Received: 17.01.2014
Revised: 03.03.2014
English version:
Quantum Electronics, 2014, Volume 44, Issue 10, Pages 957–964
DOI: https://doi.org/10.1070/QE2014v044n10ABEH015387
Bibliographic databases:
Document Type: Article
PACS: 42.81.Gs, 42.81.Pa
Language: Russian


Citation: Ya. V. Przhiyalkovsky, S. K. Morshnev, N. I. Starostin, V. P. Gubin, “Modified sensing element of a fibre-optic current sensor based on a low-eigenellipticity spun fibre”, Kvantovaya Elektronika, 44:10 (2014), 957–964 [Quantum Electron., 44:10 (2014), 957–964]
Linking options:
  • https://www.mathnet.ru/eng/qe16045
  • https://www.mathnet.ru/eng/qe/v44/i10/p957
  • This publication is cited in the following 11 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Квантовая электроника Quantum Electronics
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