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Disorders of Erythrocytes
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在金纳米棒中的表面等离子体介导的五维光学记录
Peter Zijlstra1, James W M Chon, Min Gu
1Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, PO Box 218, Hawthorn, Victoria 3122, Australia.
Nature
|May 22, 2009
概括
研究人员通过使用金纳米棒实现了用于超高数据存储的五维光学记录. 这一突破为先进的应用程序提供了前所未有的信息密度和无交叉声读取.
科学领域:
- 材料科学 材料科学 材料科学
- 光学和光子学 在光学和光子学.
- 纳米技术 纳米技术
背景情况:
- 多重复合光学记录旨在通过使用多个维度进行数据存储来增加信息密度超过1 Tbit cm ((-3).
- 使用波长,偏振和空间维度的现有方法缺乏整合,并且没有具有五维选择性的记录介质.
- 一个合适的介质对于在波长,极化和三个空间域中实现直角性至关重要.
研究的目的:
- 通过整合多个复杂化维度来演示真正的五维 (5D) 光学记录.
- 通过提高信息密度来克服当前光学数据存储技术的局限性.
- 为高保真数据存储提供一种新的记录介质和检测机制.
主要方法:
- 利用金纳米棒的纵向表面等离子体共振 (SPR) 波长和偏振灵敏度.
- 使用光热记录机制,用于轴 (深度) 选择性,具有明显的能量值.
- 采用纵向SPR介导的两光子发光,用于增强的,非破坏性的读数.
主要成果:
- 实现了真正的五维光学记录,利用金纳米石 SPR 属性.
- 显示出出色的波长和极化灵敏度,加上轴向选择性.
- 通过高横截面的SPR介导的双光子发光来实现非破坏性,无交叉声读取.
结论:
- 开发的5D光学记录技术显著提高了信息密度.
- 金纳米棒为实现高维光学数据存储提供了一个多功能平台.
- 这种方法对光学模式,加密和高密度数据存储的应用具有前景.
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