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Journal article

Time-resolved retardance and optic-axis angle measurement system for characterization of flexoelectro-optic liquid crystal and other birefringent devices

Abstract:
A new polarimeter is presented which gives time-resolved measurements of both the optic-axis angle and the linear phase retardation for modulated birefringent optical devices. It is suitable for characterizing dynamic waveplate devices based on liquid crystal and other materials. It is fully automated and requires no angular alignment of the device under test. The system has an absolute angle error of <±0.3° and a retardance error of <±0.44°, with considerably better relative accuracy. The method has been tested with a chiral nematic liquid crystal device exhibiting flexoelectro-optic switching at 3 kHz in the uniform lying helix mode. These results represent the first time-resolved tilt-angle and phase retardation measurements for a liquid crystal device operating at fast switching frequencies.
Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1364/OE.26.006126

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Jesus College
Role:
Author


More from this funder
Funding agency for:
Morris, S
Grant:
University Research Fellowship


Publisher:
Optical Society of America
Journal:
Optics Express More from this journal
Volume:
26
Issue:
5
Pages:
6126-6142
Publication date:
2018-02-28
Acceptance date:
2018-02-01
DOI:
ISSN:
1094-4087


Pubs id:
pubs:822375
UUID:
uuid:28be7074-26b8-4807-bbd9-841b3f908f83
Local pid:
pubs:822375
Source identifiers:
822375
Deposit date:
2018-02-02

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