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Conferences > ISOM_ODS > 2005 > WP > WP22

Compensation of Aberrations due to Shift of Solid Immersion Lens for Media Inside Recording

Wan-Chin Kim, Hyun Choi, TaeSun Song, No-Cheol Park, and Young-Pil Park

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Abstract

In ultra high density optical recording such as near field recording, large amount of SIL shift from optical axis due to tracking direction eccentricity of disk degrade spot quality on recording layer as well as reduction of overall optical efficiency. In this paper, we suggest aberration compensation method for SIL shift using galvano actuator to improve read and write characteristics.

© 2005 Optical Society of America

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