A Study of Near Field Recording Optics for Cover-Layer Incident Dual-Layer Disc with an NA=1.45 Hemispherical Solid Immersion Lens

2006 Optical Data Storage Topical Meeting Pub Date : 2006-06-05 DOI:10.1117/12.692276

O. Koyama, H. Horiguchi, C. Nagura, K. Nishikawa, O. Nagatsuka

引用次数: 0

Abstract

Practical optics for a cover-layer incident dual-layer disc with an NA=1.45 hemispherical solid immersion lens are designed, using a spherical aberration compensating liquid crystal cell. A hybrid servo system, gap servo for NA >1 and focus servo for NA < 1, is proposed.

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NA=1.45半球面固体浸没透镜覆盖层入射双层光盘近场记录光学研究

采用球面像差补偿液晶单元，设计了NA=1.45半球面固体浸没透镜覆盖层入射双层光盘的实用光学元件。提出了一种NA >1时间隙伺服和NA < 1时聚焦伺服的混合伺服系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2006 Optical Data Storage Topical Meeting

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