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Refractive indices and birefringence of hybrid liquid crystal - nanoparticles composite materials in the terahertz region

Refractive indices and birefringence of hybrid liquid crystal - nanoparticles composite materials in the terahertz region
Refractive indices and birefringence of hybrid liquid crystal - nanoparticles composite materials in the terahertz region

We show that a hybrid LC-ferroelectric nanoparticle suspension of liquid crystal E7 doped with BaTiO3 nanoparticles leads to 10% increase in birefringence in the THz region of spectrum as compared to pure E7. Doped liquid crystals can be used to increase performance of THz modulators and waveplates. BaTiO3 nanoparticles used in the mixture were synthesised with the sol gel technique, and their refractive index has been measured in THz in powder form and in solution.

2158-3226
Mavrona, E.
bd9ffcf5-ba1f-4089-8846-eb550f63f425
Chodorow, U.
c6aa1d50-0721-445f-b81f-7a826d39323c
Barnes, M. E.
0026b438-44fe-40af-9284-552e04675efa
Parka, J.
be03bdd5-2ef2-4fd4-9335-c4567bae9d50
Palka, N.
938810f0-c4c2-4cb2-ad7f-b8cb36abe91e
Saitzek, S.
dbf5e510-1a9a-44f1-8acc-af6a0dd35ff2
Blach, J. F.
0ba8c574-0bcc-4303-9347-5401a2e1f751
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Mavrona, E.
bd9ffcf5-ba1f-4089-8846-eb550f63f425
Chodorow, U.
c6aa1d50-0721-445f-b81f-7a826d39323c
Barnes, M. E.
0026b438-44fe-40af-9284-552e04675efa
Parka, J.
be03bdd5-2ef2-4fd4-9335-c4567bae9d50
Palka, N.
938810f0-c4c2-4cb2-ad7f-b8cb36abe91e
Saitzek, S.
dbf5e510-1a9a-44f1-8acc-af6a0dd35ff2
Blach, J. F.
0ba8c574-0bcc-4303-9347-5401a2e1f751
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327

Mavrona, E., Chodorow, U., Barnes, M. E., Parka, J., Palka, N., Saitzek, S., Blach, J. F., Apostolopoulos, V. and Kaczmarek, M. (2015) Refractive indices and birefringence of hybrid liquid crystal - nanoparticles composite materials in the terahertz region. AIP Advances, 5 (7). (doi:10.1063/1.4927392).

Record type: Article

Abstract

We show that a hybrid LC-ferroelectric nanoparticle suspension of liquid crystal E7 doped with BaTiO3 nanoparticles leads to 10% increase in birefringence in the THz region of spectrum as compared to pure E7. Doped liquid crystals can be used to increase performance of THz modulators and waveplates. BaTiO3 nanoparticles used in the mixture were synthesised with the sol gel technique, and their refractive index has been measured in THz in powder form and in solution.

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Published date: 1 July 2015
Organisations: University of Southampton

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Local EPrints ID: 411331
URI: https://eprints.soton.ac.uk/id/eprint/411331
ISSN: 2158-3226
PURE UUID: edc99112-7b1b-49a3-a005-a7dd3c600306
ORCID for V. Apostolopoulos: ORCID iD orcid.org/0000-0003-3733-2191

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Date deposited: 19 Jun 2017 16:30
Last modified: 18 May 2019 00:33

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Contributors

Author: E. Mavrona
Author: U. Chodorow
Author: M. E. Barnes
Author: J. Parka
Author: N. Palka
Author: S. Saitzek
Author: J. F. Blach
Author: V. Apostolopoulos ORCID iD
Author: M. Kaczmarek

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