Holographic grating formation mechanism in dye-doped nematic liquid crystal thin layer under dc electric field

Janusz Parka; A. Januszko; Andrzej Miniewicz; Jozef Zmija

doi:10.1117/12.385706

12 May 2000 Holographic grating formation mechanism in dye-doped nematic liquid crystal thin layer under dc electric field

Janusz Parka, A. Januszko, Andrzej Miniewicz, Jozef Zmija

Author Affiliations +

Proceedings Volume 4147, Liquid Crystals: Chemistry, Physics, and Applications; (2000) https://doi.org/10.1117/12.385706
Event: XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, 1999, Krynica Zdroj, Poland

Abstract

Mechanism of holographic dynamic grating recording in a thin cell with dye doped nematic liquid crystal under laser light has been proposed. Nematic liquid crystal with dye is sandwiched between two coating glass plates covered by ITO conductive and polyimide orientation layers. In this experiment, two interfering laser beams induced spatial modulation of refraction index and form interference pattern in the liquid crystal cell. The recording mechanism is linked with DC electric field driven reorientation of nematic director and induces the bulk photoconductivity of the system.

Citation Download Citation

Janusz Parka, A. Januszko, Andrzej Miniewicz, and Jozef Zmija "Holographic grating formation mechanism in dye-doped nematic liquid crystal thin layer under dc electric field", Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); https://doi.org/10.1117/12.385706

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