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Experimental study of 28-GB optical disk using a blue laser

Authors :
Shintaro Takehara
Keiichiro Yusu
Naomasa Nakamura
Sumio Ashida
Hiroshi Hasegawa
Hideaki Ohsawa
Akihito Ogawa
Source :
SPIE Proceedings.
Publication Year :
2002
Publisher :
SPIE, 2002.

Abstract

The possibility of an optical disk capacity of 28GB/side is studied. The read-write characteristics of a phase-change optical disk are examined using a thin cover layer, a blue laser diode, high NA objective lens and the PRML method. The wide tilt margins of high-density recording are achieved.

Subjects

Subjects :
Distributed feedback laser
Blue laser
Materials science
business.industry
Laser
Semiconductor laser theory
law.invention
Lens (optics)
Optics
law
Diode-pumped solid-state laser
Optoelectronics
Laser power scaling
business
Optical disc

Details

ISSN :
0277786X
Database :
OpenAIRE
Journal :
SPIE Proceedings
Accession number :
edsair.doi...........d378ccc2d1fea833dcc6471d6f5decc5
Full Text :
https://doi.org/10.1117/12.453377
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