Metal island films for write-once multiwavelength three-dimensional optical disks

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Metal island films for write-once multiwavelength three-dimensional optical disks

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Published

Metal island films are proposed and investigated as optical data storage media for write-once multiwavelength three-dimensional disks. The basic operation has been experimentally confirmed using aluminium-silver compound metal island films for 490 nm and silver-gold compound metal island films for 810 nm. Compact write-once multiwavelength three-dimensional disks for durable long-term data storage could be realised by using metal island films with high reflectance near the resonance wavelength, and large reflectance change by heating.

Inspec keywords: reflectivity; write-once storage; aluminium; optical disc storage; gold; optical films; discontinuous metallic thin films; silver

Other keywords: heating; silver-gold compound metal island films; large reflectance change; Ag-Au; write-once multiwavelength 3D optical disks; durable long-term data storage; metal island films; high reflectance; resonance wavelength; compact write-once multiwavelength three-dimensional disks; Al-Ag; 810 nm; aluminium-silver compound metal island films; 490 nm

Subjects: Optical storage; Optical coatings; Optical coatings and filters; Optical storage and retrieval; Optical storage and retrieval

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http://iet.metastore.ingenta.com/content/journals/10.1049/el_20001334
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