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

B. D. Snow; F. R.M. Adikan; J. C. Gates; C. B.E. Gawith; A. Dyadyusha; M. Kaczmarek; P. G.R. Smith

doi:10.1364/OE.15.017129

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

B. D. Snow, F. R.M. Adikan, J. C. Gates, C. B.E. Gawith, A. Dyadyusha, M. Kaczmarek, P. G.R. Smith

Research output: Contribution to journal › Article › Research › peer-review

4 Citations (Scopus)

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.

Original language	English
Pages (from-to)	17129-17135
Number of pages	7
Journal	Optics Express
Volume	15
Issue number	25
DOIs	https://doi.org/10.1364/OE.15.017129
Publication status	Published - 12 Dec 2007
Externally published	Yes

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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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AU - Snow, B. D.

AU - Adikan, F. R.M.

AU - Gates, J. C.

AU - Gawith, C. B.E.

AU - Dyadyusha, A.

AU - Kaczmarek, M.

AU - Smith, P. G.R.

PY - 2007/12/12

Y1 - 2007/12/12

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/37149005791

U2 - 10.1364/OE.15.017129

DO - 10.1364/OE.15.017129

M3 - Article

AN - SCOPUS:37149005791

SN - 1094-4087

VL - 15

SP - 17129

EP - 17135

JO - Optics Express

JF - Optics Express

IS - 25

ER -

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

Abstract

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