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Proceedings Paper

Retardagraphy: a new polarization recording method and its applications
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Paper Abstract

An optical recording technique, called retardagraphy, has been proposed, in which, retardance distribution of a birefringent object can be recorded on a polarization-sensitive medium made of an azobenzene copolymer. The phase difference distribution between two orthogonal polarization components of the wavefront to be recorded can be directly recorded. The multi-valued phase pattern recorded can be reconstructed by measuring retardation between two polarization components by an imaging polarimetry technique. In this paper, the optical recording and reconstructing methods in retardagraphy are presented. Its application to optical mass data storage is discussed.

Paper Details

Date Published: 2 December 2010
PDF: 6 pages
Proc. SPIE 7851, Information Optics and Optical Data Storage, 78510C (2 December 2010); doi: 10.1117/12.872478
Show Author Affiliations
Daisuke Barada, Utsunomiya Univ. (Japan)
Toyohiko Yatagai, Utsunomiya Univ. (Japan)


Published in SPIE Proceedings Vol. 7851:
Information Optics and Optical Data Storage
Feijun Song; Shiquan Tao; Francis T. S. Yu; Suganda Jutamulia; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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