| abstract |
Optical storage medium with liquid crystal polymer matrix consisting of at least one side chain polymer, at least some of said side chains bonded to a polymer skeleton containing at least one group with light-induced, conformation-dependent properties and at least some of said side chains containing at least one group with mesogenic properties, characterized in that the group with the mesogenic properties contains at least one unit which forms hydrogen bonds, or in that the group with the light-induced, conformation-dependent properties contains at least one stilbene residue, or in that the group with the mesogenic properties is bonded to the polymer skeleton via the group with the light-induced conformation-dependent properties, said polymer skeleton consisting of a polymethyl siloxane chain and the photo-induced, conformation-dependent group consisting of a carbonyl-vinyl-phenyl group. The polymers of the invention provide a higher amplification factor and high long-term stability of the stored data. |