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Enhancement in electro-optic properties of dynamic scattering systems through addition of dichroic dyes
Author(s) -
Mansoureh Shasti,
J. T. Gleeson,
Paul Luchette,
T. Kósa,
Antonio Muñoz,
Bahman Taheri
Publication year - 2018
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.5036947
Subject(s) - dichroic glass , scattering , materials science , light scattering , optics , signal (programming language) , liquid crystal , optoelectronics , physics , computer science , programming language
Electro-optic properties of dynamic scattering in homeotropically aligned pure and dichroic dye-doped nematic liquid crystal samples are examined. The optical properties of the two systems are quantified using transmission properties of scattered and unscattered as a function of amplitude and frequency of an applied voltage. Auto-correlation of the scattered signal at different applied voltages is used to compare the decay times in the two systems. Lastly, the histogram of the scattered signal reveals a wavevector dependent large light scattering event. The dye-doped system shows a significant enhancement of light blocking property in both normal and off-axis light propagation. The characteristics of the system are compared to other scattering technologies. The results suggest that dye-doped system can overcome shortcomings in scattering based devices used for near-eye applications.

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