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Laser recording on an overcoated organic dye-binder medium.

Authors
Type
Published Article
Journal
Applied Optics
0003-6935
Publisher
The Optical Society
Publication Date
Volume
23
Issue
22
Pages
3950–3953
Identifiers
DOI: 10.1364/AO.23.003950
PMID: 20431680
Source
Medline

Abstract

Results of modeling, observations of recorded pit morphology, and measurements of optical disk performance are presented for an overcoated organic dye-binder recording medium. With thin (~50-nm) overcoats on such media, a laser pulse forms a pit in the dye-binder [laser write and read (LWR)] layer, while the overcoat forms into a dome over the pit. Pits have well-defined edges and are surrounded by a shallow rim. Thinly overcoated LWR media demonstrate good laser recording sensitivity (~10(-2)J/cm(2)), high carrier- to-noise ratios (>66 dB), and low raw bit error rates of 10(-5)-10(-6). Also, no debris is generated during the laser recording process.

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