Chiral polymers with photoaffected phase behaviour for photo-optical and optoelectronic applications

The chiral side chain polymethacrylates functionalised with photochromic azodye comonomer units allow for two different types of photorecording techniques. The conventional photo-optical recording with polarised light results in holographic gratings with the diffraction efficiency, η, as high as 30%...

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Bibliographic Details
Published in:Synthetic metals 2002-03, Vol.127 (1), p.67-70
Main Author: Kozlovsky, M.V
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Holographic media
Liquid crystal polymers
Photochromic polymers
Physicochemistry of polymers
Polymers and radiations
Properties and characterization
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Summary:The chiral side chain polymethacrylates functionalised with photochromic azodye comonomer units allow for two different types of photorecording techniques. The conventional photo-optical recording with polarised light results in holographic gratings with the diffraction efficiency, η, as high as 30%. Moreover, a hidden image can be written with UV light and then developed with polarised visible light. On the other hand, the repeatable printing of transmission, birefringence, and conductivity patterns in the copolymer films can be performed using the photoaffected phase behaviour of certain copolymers.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(01)00595-1