Optical data storage system with wavelength selective...

Details Optical data storage system with wavelength selective... Optical data storage system with wavelength selective...

G - Physics

11

C

352/32.4

G11C 13/04 (2006.01) G11B 7/0045 (2006.01) G11B 7/013 (2006.01) G11B 7/244 (2006.01)

Patent

CA 1310414

ABSTRACT OF THE DISCLOSURE The storage medium for an optical data storage system is a contiguous laminate formed by a plurality of layers of pho- tochemcial hole burning material, such layers individually exhibiting inhomogeneous absorption spectrum characteristics spanning different, successive wavelength ranges. This arrange- ment greatly expands the cumulative or overall absorption band of the storage medium available for laser hole burning to Implement data bit writing, and thus Increases the storage density at each memory site.

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