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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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相关实验视频

Updated: Jun 10, 2025

Quasi-light Storage for Optical Data Packets
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非挥发性和安全的光学存储介质,具有多层次信息加密.

Jie Shao1, Xiyang Li1, Meng Liu1

  • 1College of Physics and Technology, Guangxi Normal University, Guilin, 541004, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|October 16, 2024
PubMed
概括

研究人员开发了一种使用光调节Ba3MgSi2O8:Eu3+进行安全数据加密的新型非挥发性光学存储介质. 这种材料提供双层存储通道,增强数据安全性,并允许同时写入和删除.

关键词:
信息安全信息安全.这是一种由光引起的值.多层次的光学存储.这是光色染色主义.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光电学是指光电子产品.
  • 数据存储数据存储数据存储

背景情况:

  • 非挥发性光形存储器比电压驱动的存储器具有优势,但由于波动性和单级存储,它在数据安全方面面临挑战.
  • 传统材料缺乏足够的陷深度和多层存储能力,阻碍了安全的数据加密.

研究的目的:

  • 开发一个强大的,非易失性,多层次的光学存储介质,用于安全的数据加密.
  • 为了提高数据安全性,利用光调节发光和光色现象.

主要方法:

  • 使用Ba3MgSi2O8:Eu3+宿主材料进行光调光和光色效应.
  • 采用交替的265nm和365nm光刺激来同时写入和删除双层光学信号.
  • 进行理论计算以了解缺陷诱导的颜色中心和陷深度.

主要成果:

  • 在单个主机中实现了一种非易失性,多层次的光学存储介质,具有双层存储通道.
  • 已证明高发光和颜色对比 (>90%) 提高了数据存储安全性.
  • 由于强大的颜色中心和合适的陷深度,证实了出色的可逆性和长期存储能力.

结论:

  • 开发的Ba3MgSi2O8:Eu3+材料为构建多层信息存储通道提供了一种新的方法.
  • 通过探测Eu2+和Eu3+信号,可以准确地解密双层光学信号,确保信息安全.
  • 这项研究为先进的数据加密和安全的信息存储提供了有前途的解决方案.