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Voltage transfer function as an optical method to characterize electrical properties of liquid crystal devices

Voltage transfer function as an optical method to characterize electrical properties of liquid crystal devices
Voltage transfer function as an optical method to characterize electrical properties of liquid crystal devices
The voltage transfer function is a rapid and visually effective method to determine the electrical response of liquid crystal (LC) systems using optical measurements. This method relies on cross-polarized intensity measurements as a function of the frequency and amplitude of the voltage applied to the device. Coupled with a mathematical model of the device it can be used to determine the device time constants and electrical properties. We validate the method using photorefractive LC cells and determine the main time constants and the voltage dropped across the layers using a simple nonlinear filter model.
0146-9592
3756-3759
Bateman, James
05b8f150-3d00-49f6-bf35-3d535b773b53
Proctor, Matthew
e2587944-ff00-4a72-bed0-9547b62f95aa
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
D'Alessandro, Giampaolo
bad097e1-9506-4b6e-aa56-3e67a526e83b
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Bateman, James
05b8f150-3d00-49f6-bf35-3d535b773b53
Proctor, Matthew
e2587944-ff00-4a72-bed0-9547b62f95aa
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
D'Alessandro, Giampaolo
bad097e1-9506-4b6e-aa56-3e67a526e83b
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327

Bateman, James, Proctor, Matthew, Buchnev, Oleksandr, Podoliak, Nina, D'Alessandro, Giampaolo and Kaczmarek, Malgosia (2014) Voltage transfer function as an optical method to characterize electrical properties of liquid crystal devices. Optics Letters, 39 (13), 3756-3759. (doi:10.1364/OL.39.003756).

Record type: Article

Abstract

The voltage transfer function is a rapid and visually effective method to determine the electrical response of liquid crystal (LC) systems using optical measurements. This method relies on cross-polarized intensity measurements as a function of the frequency and amplitude of the voltage applied to the device. Coupled with a mathematical model of the device it can be used to determine the device time constants and electrical properties. We validate the method using photorefractive LC cells and determine the main time constants and the voltage dropped across the layers using a simple nonlinear filter model.

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Published date: 18 June 2014
Organisations: Optoelectronics Research Centre, Physics & Astronomy, Quantum, Light & Matter Group, Applied Mathematics

Identifiers

Local EPrints ID: 365847
URI: https://eprints.soton.ac.uk/id/eprint/365847
ISSN: 0146-9592
PURE UUID: 89fc1b1e-97bc-4aba-8f11-e46cb42cbb84
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: 17 Jun 2014 08:51
Last modified: 17 Jul 2019 20:57

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Contributors

Author: James Bateman
Author: Matthew Proctor
Author: Oleksandr Buchnev
Author: Nina Podoliak ORCID iD

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