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Electrically tunable birefringence of a polymer composite with long-range orientational ordering of liquid crystals

Title
Electrically tunable birefringence of a polymer composite with long-range orientational ordering of liquid crystals
Authors
Choi, B[Choi, Byeongdae]Song, S[Song, Seongkyu]Jeong, SM[Jeong, Soon Moon]Chung, SH[Chung, Seok-Hwan]Glushchenko, A[Glushchenko, Anatoliy]
DGIST Authors
Choi, B[Choi, Byeongdae]; Song, S[Song, Seongkyu]; Jeong, SM[Jeong, Soon Moon]Chung, SH[Chung, Seok-Hwan]
Issue Date
2014-07-28
Citation
Optics Express, 22(15), 18027-18035
Type
Article
Article Type
Article
Keywords
BirefringenceCopolymersDriving VoltagesElectrically TunableElectro-OpticalLight ModulatorsLiquid CrystalsLiquid Crystals (LCs)Long Range OrdersOptical FilmsOrientational Order of Liquid CrystalPhase RetardationPhase SeparationPolymer CompositePolymerizationPolymersThick Films
ISSN
1094-4087
Abstract
We report an optical film with electrically tunable birefringence in which the liquid crystals (LCs), mixed with the host polymer, form longrange ordering. The film was prepared through polymerization without phase separation between the LCs and polymers. Driving voltage below 30 V for full switching of birefringence is achieved in a 6 μm-thick film. Electro-optical investigations for the film suggest that the long-range ordering of the LCs mixed in the film caused by polymerization lead to rotations of the LCs as well as optical anisotropy in the film. These films with electrically tunable birefringence could have applications as flexible light modulators and phase retardation films for 2D-3D image switching. © 2014 Optical Society of America.
URI
http://hdl.handle.net/20.500.11750/3068
DOI
10.1364/OE.22.018027
Publisher
OSA - The Optical Society
Related Researcher
Files:
There are no files associated with this item.
Collection:
Intelligent Devices and Systems Research Group1. Journal Articles


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