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14 July 2003 Optically addressable hybrid: photoconducting polymer-liquid crystal panels
Stanislaw Bartkiewicz, K. Komorowska, Andrzej Miniewicz, Janusz Parka, Francois Kajzar
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Proceedings Volume 4991, Organic Photonic Materials and Devices V; (2003) https://doi.org/10.1117/12.479452
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
Abstract
The performance of photorefractive hybrid panels made from photoconducting polymer ane nematic liquid crystal layers are reviewed and discussed. Their properties were studied under pulsed and cw illumination. The dynamic holography experiments with pulsed laser beams give information on the charge mobility in the thin photoconducting layers. The use of panels to visualize the phase objects introducing small distortions to plane wave front (such as e.g. turbulence of air) through the well-known Zernike filtering is also shown. The advantage of such nonlinear Zernike filter over conventional one is that no precise optical adjustment is necessary and the filtering is relatively easy to control by tuning the externally applied field to the modulator and/or varying the incoming light intensity.
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Stanislaw Bartkiewicz, K. Komorowska, Andrzej Miniewicz, Janusz Parka, and Francois Kajzar "Optically addressable hybrid: photoconducting polymer-liquid crystal panels", Proc. SPIE 4991, Organic Photonic Materials and Devices V, (14 July 2003); https://doi.org/10.1117/12.479452
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KEYWORDS
Polymers
Nonlinear filtering
Liquid crystals
Optical filters
Diffraction
Diffraction gratings
Holography
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