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Christiansen filter effect with undyed cellulose triacetate fabric as a scattering agent
Author(s) -
Annis Patricia Anne,
Campbell Jacqueline Heather,
Knopp James Arthur,
King Allen Dupree
Publication year - 2018
Publication title -
coloration technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 1472-3581
DOI - 10.1111/cote.12324
Subject(s) - cellulose triacetate , materials science , refractive index , cellulose , absorption (acoustics) , carbon disulfide , refraction , filter paper , visible spectrum , optics , wavelength , light scattering , transmission (telecommunications) , scattering , composite material , chemistry , optoelectronics , chromatography , organic chemistry , polymer , physics , electrical engineering , engineering
Light transmission through multiple sheets of undyed cellulose triacetate fabric immersed in binary solutions of carbon disulfide and n‐heptane has been measured using ordinary absorption spectroscopy. The optical transmission of light in the visible spectral range is found to be very high at wavelengths corresponding to a match between the index of refraction of cellulose triacetate and that of the surrounding solution. This phenomenon is commonly referred to as the Christiansen colour filter effect. Indices of refraction of cellulose triacetate from 400 to 700 nm were derived from these data.