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Abstract:

A method to perform a predictive search for a given amplitude and phase modulation response in twisted nematic liquid crystal displays is presented. The algorithm is based on a simple physical model that we recently proposed and that considers the effect of liquid-crystal layers located in the vicinity of the edges, which are not able to tilt. This model was demonstrated to explain accurately the experimental transmittance modulation curves. Here the model is applied to perform a predictive search for an optimized modulation by changing the input and output polarization configurations. A generalized configuration to generate and detect elliptically polarized light is proposed. The method is applied for seeking two different configurations useful for optical image processors: phase-only modulation and amplitude-only modulation. The excellent agreement with the experimental measurements validates the potential of the propose1d method. © 2001 Society of Photo-Optical Instrumentation Engineers.

Registro:

Documento: Artículo
Título:Quantitative prediction of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model
Autor:Márquez, A.; Iemmi, C.; Moreno, I.; Davis, J.A.; Campos, J.; Yzuel, M.J.
Filiación:Universidad Autónoma de Barcelona, Departamento de Física, E-08193 Bellaterra, Spain
Universidad de Buenos Aires, Departamento de Física, Facultad de Ciencias Exactas y Naturales, 1428 Buenos Aires, Argentina
Universidad Miguel Hernández, Departamento de Ciencia y Tecnologí ade Materiales, E-03202 Elche, Spain
San Diego State University, Department of Physics, San Diego, CA 92182, United States
Palabras clave:Displays; Liquid crystals; Modulation; Algorithms; Amplitude modulation; Image processing; Nematic liquid crystals; Optimization; Phase modulation; Optical image processors; Liquid crystal displays
Año:2001
Volumen:40
Número:11
Página de inicio:2558
Página de fin:2564
DOI: http://dx.doi.org/10.1117/1.1412228
Título revista:Optical Engineering
Título revista abreviado:Opt Eng
ISSN:00913286
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00913286_v40_n11_p2558_Marquez

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Citas:

---------- APA ----------
Márquez, A., Iemmi, C., Moreno, I., Davis, J.A., Campos, J. & Yzuel, M.J. (2001) . Quantitative prediction of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model. Optical Engineering, 40(11), 2558-2564.
http://dx.doi.org/10.1117/1.1412228
---------- CHICAGO ----------
Márquez, A., Iemmi, C., Moreno, I., Davis, J.A., Campos, J., Yzuel, M.J. "Quantitative prediction of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model" . Optical Engineering 40, no. 11 (2001) : 2558-2564.
http://dx.doi.org/10.1117/1.1412228
---------- MLA ----------
Márquez, A., Iemmi, C., Moreno, I., Davis, J.A., Campos, J., Yzuel, M.J. "Quantitative prediction of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model" . Optical Engineering, vol. 40, no. 11, 2001, pp. 2558-2564.
http://dx.doi.org/10.1117/1.1412228
---------- VANCOUVER ----------
Márquez, A., Iemmi, C., Moreno, I., Davis, J.A., Campos, J., Yzuel, M.J. Quantitative prediction of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model. Opt Eng. 2001;40(11):2558-2564.
http://dx.doi.org/10.1117/1.1412228