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Optimal liquid crystal modulation controlled by surface alignment and anchoring strength

Optimal liquid crystal modulation controlled by surface alignment and anchoring strength
Optimal liquid crystal modulation controlled by surface alignment and anchoring strength
Spatial modulation of liquid crystals can be controlled and adjusted by light polarization, the degree of pretilt on the substrates, anchoring strength, and the experimental geometry. In particular, strong anchoring can affect the liquid crystal orientation in opposite ways, depending on the polarization of the incident light. Here we present a theoretical model that describes the liquid crystal modulation and how it can be controlled and optimized. The model is valid for electric fields with a uniform component that is large with respect to the spatial modulation, a situation typical of spatial light modulators and photorefractive cells.
0740-3224
2166-2175
Daly, Keith R.
64f85c2e-2562-44df-9cb8-1be7fbc7e74c
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
D'Alessandro, Giampaolo
bad097e1-9506-4b6e-aa56-3e67a526e83b
Daly, Keith R.
64f85c2e-2562-44df-9cb8-1be7fbc7e74c
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
D'Alessandro, Giampaolo
bad097e1-9506-4b6e-aa56-3e67a526e83b

Daly, Keith R., Podoliak, Nina, Buchnev, Oleksandr, Kaczmarek, Malgosia and D'Alessandro, Giampaolo (2012) Optimal liquid crystal modulation controlled by surface alignment and anchoring strength. Journal of the Optical Society of America B, 29 (8), 2166-2175. (doi:10.1364/JOSAB.29.002166).

Record type: Article

Abstract

Spatial modulation of liquid crystals can be controlled and adjusted by light polarization, the degree of pretilt on the substrates, anchoring strength, and the experimental geometry. In particular, strong anchoring can affect the liquid crystal orientation in opposite ways, depending on the polarization of the incident light. Here we present a theoretical model that describes the liquid crystal modulation and how it can be controlled and optimized. The model is valid for electric fields with a uniform component that is large with respect to the spatial modulation, a situation typical of spatial light modulators and photorefractive cells.

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More information

Published date: August 2012
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group, Applied Mathematics

Identifiers

Local EPrints ID: 341711
URI: https://eprints.soton.ac.uk/id/eprint/341711
ISSN: 0740-3224
PURE UUID: 665c1f68-ed16-4f3f-926a-379f02d2459f
ORCID for Nina Podoliak: ORCID iD orcid.org/0000-0002-3146-0355
ORCID for Giampaolo D'Alessandro: ORCID iD orcid.org/0000-0001-9166-9356

Catalogue record

Date deposited: 03 Aug 2012 10:45
Last modified: 06 Jun 2018 13:05

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Contributors

Author: Keith R. Daly
Author: Nina Podoliak ORCID iD
Author: Oleksandr Buchnev

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