The application of super-RENS mask in high-density mastering

Jie Song; Duanyi Xu; Guosheng Qi; Quanhong Shen

doi:10.1117/12.574371

3 January 2005 The application of super-RENS mask in high-density mastering

Jie Song, Duanyi Xu, Guosheng Qi, Quanhong Shen

Proceedings Volume 5643, Advances in Optical Data Storage Technology; (2005) https://doi.org/10.1117/12.574371
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Jie Song, Duanyi Xu, Guosheng Qi, and Quanhong Shen "The application of super-RENS mask in high-density mastering", Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); https://doi.org/10.1117/12.574371

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