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Proceedings Paper

The application of super-RENS mask in high-density mastering
Author(s): Jie Song; Duanyi Xu; Guosheng Qi; Quanhong Shen
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Paper Abstract

The non-linearity of the super-RENS mask can be used in optical data storage, which can greatly increase the disk’s density. Experiment is carried on the traditional mastering system with modification. We adopt the SiN/Sb/SiN multiplayer as the mask to insert the optical mask. For 413nm semiconductor laser and lens with NA=0.9, the diffraction limit is 200nm theoretically. Mark-120nm much smaller than that size is generated in the experiment. The thickness of Sb in the mask layers has much effect on the mastering signal intensity. For different power, we should control the thickness of Sb film. The experiments results show that the super-RENS mask can actually reduce the size of the mark obviously and realize the high density optical storage.

Paper Details

Date Published: 3 January 2005
PDF: 6 pages
Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); doi: 10.1117/12.574371
Show Author Affiliations
Jie Song, Tsinghua Univ. (China)
Duanyi Xu, Tsinghua Univ. (China)
Guosheng Qi, Tsinghua Univ. (China)
Quanhong Shen, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 5643:
Advances in Optical Data Storage Technology
Duanyi Xu; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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