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Speckle contrast reduction of laser light using a chiral nematic liquid crystal diffuser

Abstract:

High coherence in laser light causes spatially distributed interference called speckle. In applications such as holographic projection, this undesirable side effect degrades image clarity. The current methods of speckle reduction, such as a rotating ground-glass diffuser, require additional bulky moving parts. Here, we present an alternative technology based upon a compact, electrohydrodynamic chiral nematic liquid crystal device. A spatially random phase modulation of the incident light is a...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1063/1.4971997

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Department:
Oxford, MPLS, Engineering Science
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Department:
Oxford, MPLS, Engineering Science
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Department:
Oxford, MPLS, Engineering Science
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Department:
Jesus College
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Funding agency for:
Morris, S
Publisher:
AIP Publishing Publisher's website
Journal:
Applied Physics Letters Journal website
Volume:
109
Issue:
26
Pages:
261104-261104
Publication date:
2016-12-26
Acceptance date:
2016-11-28
DOI:
EISSN:
1077-3118
ISSN:
0003-6951
Pubs id:
pubs:666167
URN:
uri:0340f71d-94e4-4cad-ade0-24f4fff59d7a
UUID:
uuid:0340f71d-94e4-4cad-ade0-24f4fff59d7a
Local pid:
pubs:666167

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