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22 June 2006 A study of near field recording optics for cover-layer incident dual-layer disc with an NA=1.45 hemispherical solid immersion lens
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Proceedings Volume 6282, Optical Data Storage 2006; 628229 (2006) https://doi.org/10.1117/12.692276
Event: Optical Data Storage 2006, 2006, Montréal, Canada
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.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Osamu Koyama, Haruhiko Horiguchi, Chihiro Nagura, Koichiro Nishikawa, and Osamu Nagatsuka "A study of near field recording optics for cover-layer incident dual-layer disc with an NA=1.45 hemispherical solid immersion lens", Proc. SPIE 6282, Optical Data Storage 2006, 628229 (22 June 2006); https://doi.org/10.1117/12.692276
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