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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