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Refractive index sensing with optical bound states in the continuum

Optics express, 2020-12, Vol.28 (26), p.38907-38916 [Peer Reviewed Journal]

ISSN: 1094-4087 ;EISSN: 1094-4087 ;DOI: 10.1364/OE.411749 ;PMID: 33379449

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  • Title:
    Refractive index sensing with optical bound states in the continuum
  • Author: Maksimov, Dmitrii N ; Gerasimov, Valeriy S ; Romano, Silvia ; Polyutov, Sergey P
  • Is Part Of: Optics express, 2020-12, Vol.28 (26), p.38907-38916
  • Description: We consider refractive index sensing with optical bounds states in the continuum (BICs) in dielectric gratings. Applying a perturbative approach we derived the differential sensitivity and the figure of merit of a sensor operating in the spectral vicinity of a BIC. Optimisation design approach for engineering an effective sensor is proposed. An analytic formula for the maximal sensitivity with an optical BIC is derived. The results are supplied with straightforward numerical simulations.
  • Publisher: United States
  • Language: English
  • Identifier: ISSN: 1094-4087
    EISSN: 1094-4087
    DOI: 10.1364/OE.411749
    PMID: 33379449
  • Source: DOAJ Directory of Open Access Journals
    Geneva Foundation Free Medical Journals at publisher websites
    Alma/SFX Local Collection
    ROAD: Directory of Open Access Scholarly Resources

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