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Intrinsic, multiplexable sensors for electric field strength using structural slow light in phase-shifted fibre Bragg gratings

Orr, Philip and Niewczas, Pawel (2012) Intrinsic, multiplexable sensors for electric field strength using structural slow light in phase-shifted fibre Bragg gratings. In: SPIE Proceedings Vol. 8421. SPIE--The International Society for Optical Engineering.. ISBN 9780819491039

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    Abstract

    In this paper we demonstrate through simulation the potential for phase-shifted fibre Bragg gratings incorporating structural slow light to enable intrinsic reflection-mode point sensors for electric field or voltage. It is shown that lo-bi FBGs incorporating multiple phase shifts yield large enhancements in group index (group delay) at resonance, thus amplifying and localizing time-dependent non-reciprocal effects. A relative, multiplexable measurement of electric field by comparison of the phase unbalance between linear modes on and off resonance is proposed, yielding static resolutions of 24 V and 18 mV respectively in unpoled (dc Kerr effect) and poled (Pockels effect) fibres.

    Item type: Book Section
    ID code: 40225
    Keywords: multiplexable sensors , electric fields, Bragg gratings, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
    Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
    Department: Faculty of Engineering > Electronic and Electrical Engineering
    Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 26 Jun 2012 14:42
    Last modified: 06 Sep 2014 21:56
    URI: http://strathprints.strath.ac.uk/id/eprint/40225

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