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Proceedings Paper

Kinetics for reversible optical storage in azo polymers
Author(s): Paul L. Rochon; Jacques R. Gosselin; Almeria Natansohn; Shuang Xie
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Paper Abstract

Optical information can be stored, erased, or overwritten on azo polymer thin films using polarized light. The information is in the form of localized dichroism and birefringence and is read using a low power probe beam. We have investigated this image storage phenomenon on a series of polyacrylates and polymethacrylates containing azo aromatic groups on the side chains. The monomers are obtained from commercially available azo dyes. The polymers are amorphous and have high glass transition temperatures. We present a model for the writing and erasing process and investigate the physical origins of the parameters which influence the properties of the recording medium.

Paper Details

Date Published: 14 January 1993
PDF: 7 pages
Proc. SPIE 1774, Nonconducting Photopolymers and Applications, (14 January 1993); doi: 10.1117/12.139166
Show Author Affiliations
Paul L. Rochon, Royal Military College of Canada (Canada)
Jacques R. Gosselin, Royal Military College of Canada (Canada)
Almeria Natansohn, Queen's Univ. (Canada)
Shuang Xie, Queen's Univ. (Canada)


Published in SPIE Proceedings Vol. 1774:
Nonconducting Photopolymers and Applications
Roger A. Lessard, Editor(s)

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