G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/00 (2006.01) G11B 5/54 (2006.01) G11B 7/0045 (2006.01) G11B 7/005 (2006.01) G11B 7/007 (2006.01) G11B 7/24 (2006.01)
Patent
CA 2402979
The invention concerns a method for optical recording of data on a photosensitive storage medium, characterised in that the data are encoded according to different possible states for the various components of a non-linear susceptibility tensor of the photosensitive medium and it consists in irradiating simultaneously at least a point of said support with write beams whereof the polarisation is controlled for optical recording of a given non-linear susceptibility tensor on the photosensitive medium.
Procédé mettant en oeuvre une photoinscription de données sur un support de mémoire photosensible, caractérisé en ce que les données sont codées en fonction de différents états possibles pour les différentes composantes d'un tenseur de susceptibilité non linéaire du support photosensible et en ce qu'on irradie simultanément au moins un point dudit support par des faisceaux d'écriture dont on contrôle la polarisation pour photoinscrire un tenseur de susceptibilité non linéaire donné sur le support photosensible.
Toussaere Eric
Zyss Joseph
Centre National de La Recherche Scientifique
Ecole Normale Superieure de Cachan
France Telecom
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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