Abstract
An expansion of the Allen and Goldfinger approach to the prediction of the color of absorbing-scattering substrates is carried out taking into account the effect of optical anisotropy of fibers and definite values of the indices of refraction in the visible spectral range. Using this approach and a computer program the spectral reflectance curves, based on the shape of the spectral transmittance curves of the dye-fiber polymer and Cauchy's dispersion formula, are calculated for an array of dyed nylon fibers. Also, the spectral reflectance curves for the same dyed fiber is calculated using Allen and Goldfinger model. Both spectra are compared with those experimentally measured. Spectra for dyed fibers with different dye concentrations are calculated.
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