Patent ID: 8703388
Filing Date: 2014-04-22
Classification: G02B,G03F,G03H,G11B

Abstract:
1. An optical data storage medium for bit-wise recording of a microhologram using an incident radiation at a wavelength of about 405 nm, comprising: (a) a non-photopolymer polymer matrix; (b) a non-linear sensitizer comprising a phenylethynyl platinum complex, wherein the phenylethynyl platinum complex is a sequential two-photon reverse saturable absorber, wherein the non-linear sensitizer is capable of triplet-triplet energy transfer from an upper triplet state (T (c) a reactant capable of undergoing a chemical change upon the triplet-triplet energy transfer from the non-linear sensitizer, thereby causing a refractive index change in the medium to record the microhologram.