Optical data storage media and methods for using the same

摘要

An optical data storage medium is provided. The optical data storage medium includes a polymer matrix; a reactant capable of undergoing a change upon triplet excitation, thereby causing a refractive index change; and a non-linear sensitizer capable of absorbing actinic radiation to cause upper triplet energy transfer to said reactant. The refractive index change capacity of the medium is at least about 0.005. The non-linear sensitizer comprises a triarylmethane dye.

主权项

1. An optical data storage medium comprising:
a polymer matrix comprising polyvinylalcohol, poly(alkyl methacrylate), poly(alkyl acrylate), polystyrene, polycarbonate, polyacrylate, poly(vinylidene chloride), poly(vinyl acetate), or a combination thereof; a reactant capable of undergoing a change upon triplet excitation, thereby causing a refractive index change, wherein the reactant comprises a cinnamate, a cinnamate derivative, a cinnamamide derivative, or a combination thereof; and a non-linear sensitizer capable of absorbing actinic radiation to cause upper triplet energy transfer to said reactant, wherein the non-linear sensitizer comprises a triarylmethane dye, a Pyronin Y dye, or a combination thereof; wherein the refractive index change capacity of the optical data storage medium is at least about 0.005.