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Proceedings Paper

Thermal-induced phase-change ODS and photo-excited bistable state-change DVD-RAM
Author(s): Ailun Rong; De-yin Huang; Yanwu Lu; Zhonglin Zhang; Luqing Shi; Rui Wang
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Paper Abstract

High density and high data rate are two key points in the development of ODS (optical data storage) which has advanced remarkably in recent years. The aim of this contribution is to report on the migration from CD-E to DVD-RAM by changing: 1) the recording media from heat-mode material to photo-mode material, 2) the recording laser from near infrared to green or blue wavelength, and 3) the recording methods from CD- format to sectorial format and from PPM-RLL to PWM-RLL, where PPM and PWM are pulse position modulation and pulse width modulation respectively, of which all have a potential to achieve an ultrafast recording rate-60ps/bit.

Paper Details

Date Published: 20 September 1996
PDF: 8 pages
Proc. SPIE 2890, Optical Recording, Storage, and Retrieval Systems, (20 September 1996); doi: 10.1117/12.251972
Show Author Affiliations
Ailun Rong, Beijing Univ. of Aeronautics and Astronautics (China)
De-yin Huang, Shanghai Jiaotong Univ. (China)
Yanwu Lu, Beijing Univ. of Aeronautics and Astronautics (China)
Zhonglin Zhang, Beijing Univ. of Aeronautics and Astronautics (China)
Luqing Shi, Beijing Univ. of Aeronautics and Astronautics (China)
Rui Wang, Beijing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 2890:
Optical Recording, Storage, and Retrieval Systems
Baogen Feng; Yoshito Tsunoda, Editor(s)

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