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Proceedings Paper

Optical nonlinearity in chiral nematics for light modulation
Author(s): Marek Wojciech Sierakowski; Marcin Swillo
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Paper Abstract

Nonlinear optical properties of chiral liquid crystalline media are in scope of our interest since several years. Our previous observations in the subject were already reported, where the effect of light interaction with chiral nematic structure was examined by reflected-probe-beam technique. The present contribution is a continuation of that work. Now the concept of modulation of light by light is presented as an example of potential application of previously achieved results. This paper just considers the use of reflected- probe-beam arrangement in combination with optical fiber technique for 'in line' controlling of high-intensity light beams. The idea utilizes nonlinear optical effect in combination with selective light reflection in chiral liquid crystals. The preliminary results of experimental examination of the 'all optical modulator' are demonstrated. Also some practical aspects and application problems are defined.

Paper Details

Date Published: 14 October 1998
PDF: 4 pages
Proc. SPIE 3475, Liquid Crystals II, (14 October 1998); doi: 10.1117/12.326894
Show Author Affiliations
Marek Wojciech Sierakowski, Warsaw Univ. of Technology (Poland)
Marcin Swillo, Warsaw Univ. of Technology (Sweden)


Published in SPIE Proceedings Vol. 3475:
Liquid Crystals II
Iam-Choon Khoo, Editor(s)

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