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https://hdl.handle.net/2440/12715
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Type: | Journal article |
Title: | Genetic optimization of modulation characteristics for two twisted nematic liquid crystal spatial light modulators |
Author: | Kelly, T.L. Munch, J. |
Citation: | Optical and Quantum Electronics, 1999; 31(5-7):515-523 |
Publisher: | Kluwer Academic Publishers |
Issue Date: | 1999 |
ISSN: | 0306-8919 1572-817X |
Statement of Responsibility: | Thu-Lan Kelly and Jesper Munch |
Abstract: | A single twisted nematic liquid crystal spatial light modulator may suffer from coupled amplitude modulation and a phase modulation capability of less than 2π, although almost all panels can achieve π. Two twisted nematic liquid crystal panels can be combined in an optical system to produce a total phase modulation of at least 2π, and a minimal coupled amplitude modulation. A genetic algorithm is used to optimize the combined modulation characteristics of two liquid crystal panels in a multiplicative architecture. Simulation results and experimental verification are presented which show a substantial reduction in the combined amplitude modulation, and a total phase modulation of 2π. |
Keywords: | Genetic optimization; modulation; twisted nematic; liquid crystal spatial light modulators |
Rights: | © 1999 Kluwer Academic Publishers |
DOI: | 10.1023/A:1006927430793 |
Published version: | http://dx.doi.org/10.1023/a:1006927430793 |
Appears in Collections: | Aurora harvest 2 Environment Institute publications Physics publications |
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