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Feed-forward tracking servo system for high-data-rate optical recording

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6 Author(s)
Koide, D. ; NHK Sci. & Tech. Res. Labs., Tokyo, Japan ; Yanagisawa, H. ; Tokumaru, H. ; Okuda, H.
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With the aim of achieving high-speed track following for high-data-rate optical recording, we have investigated a control system that combines conventional feedback control with feed-forward control based on the zero phase error tracking method. In this study, we used a large-capacity, narrow-track-pitch disk medium, and demonstrated that the proposed tracking servo system is effective for high-speed rotation of narrow-track-pitch media.

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Optical Memory and Optical Data Storage Topical Meeting, 2002. International Symposium on

Date of Conference: