Towards Cover-Layer Incident Read-Out of a Dual-layer Disc with a $\mathrm{NA}=1.5$ Solid Immersion Lens
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概要
- 論文の詳細を見る
We present the status of our efforts to demonstrate the feasibility of recording on a cover-layer protected dual-layer optical disc with a blue laser and $\mathrm{NA}=1.45$ objective lens that is based on a solid immersion lens (SIL). We discuss the potential data density and some practical and theoretical considerations for the light path, the objective lens and the media. In particular, we show a lens design and results of prototype manufacturing for a $\mathrm{NA}=1.45$ lens that focuses on the data layer of an optical disc through a sub-wavelength air gap and a 3 μm spin coated cover-layer that protects the data on the disc.
- 2005-05-15
著者
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VERSCHUREN Coen
Philips Research
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ZIJP Ferry
Philips Research
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LEE Ju-Il
Philips Research
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Lee Ju-Il
Philips Research Laboratories, Royal Philips Electronics, Prof. Holstlaan 4, 5656 AA, Eindhoven, The Netherlands
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Mark Martin
Philips Research Laboratories, Royal Philips Electronics, Prof. Holstlaan 4, 5656 AA, Eindhoven, The Netherlands
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Eerenbeemd Jack
Philips Research Laboratories, Royal Philips Electronics, Prof. Holstlaan 4, 5656 AA, Eindhoven, The Netherlands
関連論文
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- Write Strategies for Improved Readout in RF-Magnetic AMplifying Magneto-Optical System
- Towards a Multi-Layer Near-Field Recording System: Dual-Layer Recording Results
- High-Density Near-Field Recording on Cover-Layer Protected Discs Using an Actuated 1.45 Numerical Aperture Solid Immersion Lens in a Robust and Practical System
- Effects of Polarization on Wave Front Measurements and Manufacturing of Solid Immersion Lenses for Near-Field Optical Recording
- Improved Near-Field Recording System for First-Surface Media with an $\mathrm{NA}=1.9$ Solid Immersion Lens
- Near-Field Recording with a Solid Immersion Lens on Polymer Cover-layer Protected Discs
- Blue Zero-Field Magnetic Amplifying Magneto-Optical System (MAMMOS) Recording
- Near Field Recording on First-Surface Write-Once Media with a $\mathrm{NA}=1.9$ Solid Immersion Lens
- Towards Cover-Layer Incident Read-Out of a Dual-layer Disc with a $\mathrm{NA}=1.5$ Solid Immersion Lens