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Multiplasmonic Optical Sensor Using Sculptured Nematic Thin Films

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Abstract

Fluid-infiltrated sculptured nematic thin films (SNTFs) were modeled using a combination of piecewise uniform approximation technique and Bruggeman formalism. The modeling was then used to exploit surface plasmon-polariton (SPP) waves for optical sensing of the fluid infiltrating the SNTF. The interface of the chosen metal and the SNTF supports multiple SPP waves of the same frequency, thereby, providing multiple angles of incidence in the prism-coupled configuration for optical sensing, offering potential for a higher confidence in measurements and multi-analyte sensing at the same time.

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The authors declare that they have no conflict of interest.

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This study was not funded by any agency.

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Authors and Affiliations

  1. Department of Electronics, Quaid-i-Azam University, Islamabad, 45320, Pakistan

    Farhat Abbas & Qaisar A. Naqvi

  2. Department of Physics, Lahore University of Management Sciences, Lahore, 54792, Pakistan

    Muhammad Faryad

Authors
  1. Farhat Abbas
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  2. Qaisar A. Naqvi
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  3. Muhammad Faryad
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Correspondence to Muhammad Faryad.

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Abbas, F., Naqvi, Q.A. & Faryad, M. Multiplasmonic Optical Sensor Using Sculptured Nematic Thin Films. Plasmonics 10, 1269–1273 (2015). https://doi.org/10.1007/s11468-015-9920-7

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  • DOI: https://doi.org/10.1007/s11468-015-9920-7

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