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|Title:||Genetic optimization of modulation characteristics for two twisted nematic liquid crystal spatial light modulators|
|Citation:||Optical and Quantum Electronics, 1999; 31(5-7):515-523|
|Publisher:||Kluwer Academic Publishers|
|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|
|Appears in Collections:||Physics publications|
Environment Institute publications
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