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On Calibration of a Nominal Structure-Property Relationship Model for Chiral Sculptured Thin Films by Axial Transmittance Measurements

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posted on 2023-11-30, 18:45 authored by Joseph A. Sherwin, Akhlesh Lakhtakia, Ian J. Hodgkinson
A chiral sculptured thin film is fabricated from patinal titanium oxide using the serial bideposition technique. Axial transmittance spectrums are measured over a spectral region encompassing the Bragg regime for axial excitation. The same spectrums are calculated using a nominal structure-property relationship model and the parameter space of the model is explored for best fits of the calculated and measured transmittances. Ambiguity arising on calibrating the model against axial transmittance measurements is shown to be resolvable using non--axial transmittance measurements.

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