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01-09-2012 | Technical Paper

Tracking servo method for holographic data storage using discrete pre-patterns

Authors: Sung-Yong Lim, Nakyeong Kim, Kyuil Jung, Jae-Seong Lee, Yoon-Koo Kang, Hyunseok Yang, Kyoung-Su Park, No-Cheol Park, Young-Pil Park

Published in: Microsystem Technologies | Issue 9-10/2012

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Abstract

Page-oriented holographic data storage (HDS) is very sensitive to disturbances that affect the position of the recording medium. Accordingly, a more precise tracking servo is required for the recording process, and is also crucial for achieving high storage density. A compensation method is therefore essential for HDS recording. In this paper, we suggest some discrete pre-patterns for the tracking servo used in the recording process. This method is motivated by a tracking servo technique for a hard disk drive. Firstly, in designing the pattern shape, HDS characteristics are taken into account. Secondly, track error signals are analyzed. Thirdly, the discrete pre-pattern intervals are determined according to the track tolerance. Lastly, the feasibility of the new method is analyzed via simulations and experiments.

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Title: Tracking servo method for holographic data storage using discrete pre-patterns
Authors: Sung-Yong Lim
Nakyeong Kim
Kyuil Jung
Jae-Seong Lee
Yoon-Koo Kang
Hyunseok Yang
Kyoung-Su Park
No-Cheol Park
Young-Pil Park
Publication date: 01-09-2012
Publisher: Springer-Verlag
Published in: Microsystem Technologies / Issue 9-10/2012
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI: https://doi.org/10.1007/s00542-012-1614-x

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