CUED Publications database

High speed liquid crystal over silicon display based on the flexoelectro-optic effect.

Chen, J and Morris, SM and Wilkinson, TD and Freeman, JP and Coles, HJ (2009) High speed liquid crystal over silicon display based on the flexoelectro-optic effect. Opt Express, 17. pp. 7130-7137.

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Abstract

One of the key technologies to evolve in the displays market in recent years is liquid crystal over silicon (LCOS) microdisplays. Traditional LCOS devices and applications such as rear projection televisions, have been based on intensity modulation electro-optical effects, however, recent developments have shown that multi-level phase modulation from these devices is extremely sought after for applications such as holographic projectors, optical correlators and adaptive optics. Here, we propose alternative device geometry based on the flexoelectric-optic effect in a chiral nematic liquid crystal. This device is capable of delivering a multilevel phase shift at response times less than 100 microsec which has been verified by phase shift interferometry using an LCOS test device. The flexoelectric on silicon device, due to its remarkable characteristics, enables the next generation of holographic devices to be realized.

Item Type: Article
Uncontrolled Keywords: Computer-Aided Design Data Display Electronics Equipment Design Equipment Failure Analysis Lighting Liquid Crystals Optical Devices Reproducibility of Results Sensitivity and Specificity Signal Processing, Computer-Assisted Silicon
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:52
Last Modified: 11 Aug 2014 01:11
DOI:

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