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Line defects and temperature effects in liquid crystal tunable planar Bragg gratings

Line defects and temperature effects in liquid crystal tunable planar Bragg gratings
Line defects and temperature effects in liquid crystal tunable planar Bragg gratings
Liquid crystal tunable planar Bragg Gratings produced by Direct UV Writing are capable of wavelength tuning of over 100GHz. However, such devices exhibit non-linear tuning curves with threshold points and hysteresis. We show that these effects are due to the formation of disclination structures in the liquid crystal and discuss the role of electrode defects and sample temperature on wavelength tuning.
1094-4087
17129-17135
Snow, B.D.
52b453fa-ff5c-49dd-81c9-d43eafab1ea8
Adikan, F.R.M.
69a2f4bb-520c-40a7-861d-0532cffffc40
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Dyadyusha, A.
2d1d75d4-60f0-4437-8771-0d0b9a3c7931
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Snow, B.D.
52b453fa-ff5c-49dd-81c9-d43eafab1ea8
Adikan, F.R.M.
69a2f4bb-520c-40a7-861d-0532cffffc40
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Dyadyusha, A.
2d1d75d4-60f0-4437-8771-0d0b9a3c7931
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6

Snow, B.D., Adikan, F.R.M., Gates, J.C., Gawith, C.B.E., Dyadyusha, A., Kaczmarek, M. and Smith, P.G.R. (2007) Line defects and temperature effects in liquid crystal tunable planar Bragg gratings. Optics Express, 15 (25), 17129-17135. (doi:10.1364/OE.15.017129).

Record type: Article

Abstract

Liquid crystal tunable planar Bragg Gratings produced by Direct UV Writing are capable of wavelength tuning of over 100GHz. However, such devices exhibit non-linear tuning curves with threshold points and hysteresis. We show that these effects are due to the formation of disclination structures in the liquid crystal and discuss the role of electrode defects and sample temperature on wavelength tuning.

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Published date: 10 December 2007
Learn more about Optoelectronics Research Centre research Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 57599
URI: http://eprints.soton.ac.uk/id/eprint/57599
DOI: doi:10.1364/OE.15.017129
ISSN: 1094-4087
PURE UUID: 6409d1be-5440-4775-b083-6b1267f6aec2
ORCID for J.C. Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

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Date deposited: 15 Aug 2008
Last modified: 16 Mar 2024 03:18

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Contributors

Author: B.D. Snow
Author: F.R.M. Adikan
Author: J.C. Gates ORCID iD
Author: C.B.E. Gawith ORCID iD
Author: A. Dyadyusha
Author: M. Kaczmarek
Author: P.G.R. Smith ORCID iD

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