Retardagraphy: a new polarization recording method and its applications

Daisuke Barada; Toyohiko Yatagai

doi:10.1117/12.872478

2 December 2010 Retardagraphy: a new polarization recording method and its applications

Daisuke Barada, Toyohiko Yatagai

Proceedings Volume 7851, Information Optics and Optical Data Storage; 78510C (2010) https://doi.org/10.1117/12.872478
Event: Photonics Asia 2010, 2010, Beijing, China

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.

Citation Download Citation

Daisuke Barada and Toyohiko Yatagai "Retardagraphy: a new polarization recording method and its applications", Proc. SPIE 7851, Information Optics and Optical Data Storage, 78510C (2 December 2010); https://doi.org/10.1117/12.872478

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