Parametric Models of NIR Transmission and Reflectivity Spectra for Dyed Fabrics
Memorandum rept. Jun 2014-May 2015
NAVAL RESEARCH LAB WASHINGTON DC
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This study examines parametric modeling of near-infrared NIR transmission and reflectivity spectra for dyed fabrics, which provides for both their inverse and direct modeling. The dyes considered for prototype analysis are triarylamine, tetraaryldiamine, transition metal dithiolene, and indolium iodide. The fabrics considered are camouflage textiles characterized by color variations. The results of this study provide validation of the constructed parametric models, within reasonable error tolerances for practical applications, including NIR spectral characteristics in camouflage textiles, for purposes of simulating NIR spectra corresponding to various dye concentrations in host fabrics, as well as potentially to mixtures of dyes.
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