Optical head flying height-variation-based statistical recording density analysis in near-field optical recording

Xiandeng Pei; Xiaoga H. Zhang; Hao Huang

doi:10.1117/12.510578

9 April 2003 Optical head flying height-variation-based statistical recording density analysis in near-field optical recording

Xiandeng Pei, Xiaoga H. Zhang, Hao Huang

Author Affiliations +

Proceedings Volume 5060, Sixth International Symposium on Optical Storage (ISOS 2002); (2003) https://doi.org/10.1117/12.510578
Event: Sixth International Symposium on Optical Storage (ISOS 2002), 2002, Wuhan, China

Abstract

Higher recording density demands constant flying height over the entire recording area of the disk, however, in the recording procedure, the head doesn't always keep constant flying height, the flying height variation influences the recording density. This paper studies the head-disk coupling in waveguide probe near-field recording, and derives the relationship curve between half amplitude wide of static light distribution as well as static recording density and near-field coupling gap by computer simulation. After defining statistical recording density, we discuss the relationship between flying height variation of the flying optical head and statistical recording density in near-field optical recording.

Citation Download Citation

Xiandeng Pei, Xiaoga H. Zhang, and Hao Huang "Optical head flying height-variation-based statistical recording density analysis in near-field optical recording", Proc. SPIE 5060, Sixth International Symposium on Optical Storage (ISOS 2002), (9 April 2003); https://doi.org/10.1117/12.510578

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