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相关概念视频

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

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一个半球电子眼镜摄像机,基于可压缩光电子.

Heung Cho Ko1, Mark P Stoykovich, Jizhou Song

  • 1Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.

Nature
|August 8, 2008
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概括

研究人员使用单晶开发出高性能半球电子眼镜摄像头. 这一突破克服了传统光电子技术的局限性,使曲表面上的摄像机能够用于新的应用.

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科学领域:

  • 光电子和材料科学 材料科学
  • 生物仿真成像系统 生物仿真成像系统

背景情况:

  • 人类眼睛的半球探测器几何形状提供了广的视野和低偏差,这种设计很难用当前平面光电子制造方法复制.
  • 现有的半导体制造工艺 (图案,沉积,蚀刻) 本质上是平面的,限制了非平面电子成像系统的创建.

研究的目的:

  • 开发制造高性能半球电子眼镜摄像机的战略.
  • 为了克服平面制造在创造曲线光电子设备的局限性.
  • 为了使平面设备技术能够集成到复杂的曲线表面上.

主要方法:

  • 采用晶圆尺度光电子工程,以二维可压缩配置进行设计.
  • 使用弹性转移元件将最初平面的设备布局转换为半球几何形状.
  • 对将平面装置集成到曲物体上的相关力学进行了理论分析.

主要成果:

  • 成功制造了使用单晶的高性能半球电子眼镜摄像头.
  • 展示了适应已有的平面设备技术用于曲线应用的实际路线.
  • 在复杂的曲面上实现光电子系统的集成.

结论:

  • 开发的方法为创建半球电子成像系统提供了可行的途径.
  • 这种方法克服了光电子制造的根本局限性,为各种应用打开了大门.
  • 能够将先进的电子设备技术应用于非平面基板和复杂几何形状.