Effects of pattern parameters on the optical disk readout signals

Yu-ying Wang; Jian-ping Xiong; Huibo Jia; Xian-fu Cheng

doi:10.1117/12.483333

17 September 2002 Effects of pattern parameters on the optical disk readout signals

Yu-ying Wang, Jian-ping Xiong, Huibo Jia, Xian-fu Cheng

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483333
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The diffraction theory, which includes scalar and vector diffraction theory, is an important basal theory in the field of optical storage. The purpose of this paper is to analyze the needs of using vector diffraction theory instead of scalar diffraction theory in the study of the digital versatile disk (DVD) or other high-density optical disks, and summarizes the effects of the optical disk pattern parameters on the readout signals. The grating is adopted as the physical model of optical disk in this research. And the readout signals are calculated only versus some parameters, involving the transverse dimensions, the depths and the slopes, of the information marks with vector diffraction theory. Accordingly some key factors to guarantee the optical disk manufacture quality are put forward, and these factors resulted from this study may be useful to improve the optical disk manufacture technica, furthermore, the vector analysis methods adopted herein are referable to higher density optical storage research.

Citation Download Citation

Yu-ying Wang, Jian-ping Xiong, Huibo Jia, and Xian-fu Cheng "Effects of pattern parameters on the optical disk readout signals", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483333

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