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Conference Paper
Joint International Symposium on Optical Memory and Optical Data Storage
Kauai, Hawaii United States
July 17-20, 2011
ISBN: 978-1-55752-915-2
Near-field/Plasmonics (OTuA)

High-Speed and Precise Gap Servo System for Near-Field Optical Recording

Daiichi Koide, Takeshi Kajiyama, Haruki Tokumaru, Yoshimichi Takano, Yuta Nabata, Tokoku Ogata, Toshimasa Miyazaki, and Kiyoshi Ohishi  »View Author Affiliations


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We propose a high-speed and precise gap servo of reducing harmonics of axial run-out disturbance-feed-forward control for near-field recording. We could perform gap servo at 11000 rpm applying RHD-FFC using SIL head and 100GB disk.

© 2011 OSA

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.4590) Optical data storage : Optical disks
(210.4245) Optical data storage : Near-field optical recording

D. Koide, T. Kajiyama, H. Tokumaru, Y. Takano, Y. Nabata, T. Ogata, T. Miyazaki, and K. Ohishi, "High-Speed and Precise Gap Servo System for Near-Field Optical Recording," in Nonlinear Optics, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OTuA3.

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