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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

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相关实验视频

Updated: Jun 23, 2026

4D Imaging of Protein Aggregation in Live Cells
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一个大规模的连贯4D成像传感器.

Francesca Fabiana Settembrini1, Arif Can Gungor1, Andres Forrer1

  • 1Pointcloud GmbH, Zürich, Switzerland.

Nature
|March 12, 2026
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个大型,连贯的4D成像摄像头,使用352x176像素频率调制的连续波 (FMCW) 光探测和距离 (LiDAR) 焦平面阵列 (FPA). 这种先进的传感器可以为机器和人机交互提供详细的3D映射和速度测量.

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科学领域:

  • 光子学和光电学和光电子学.
  • 机器人和机器视觉机器人技术
  • 传感器技术 传感器技术

背景情况:

  • 准确的3D映射对于机器交互和人机界面至关重要.
  • 现有的3D传感解决方案在可扩展性,性能和可靠性方面面临挑战.
  • 频调制连续波 (FMCW) 光探测和测距 (LiDAR) 传感器为3D绘图和速度测量提供了潜力.

研究的目的:

  • 为4D成像提供一个大规模,连贯的LiDAR焦平面阵列 (FPA).
  • 展示一个高性能,可扩展的解决方案,用于3D动态环境映射.
  • 为了实现无处不在,低成本,紧的连贯4D成像摄像机.

主要方法:

  • 开发一个352x176像素的2D FMCW LiDAR FPA,其中有超过60万个光子组件集成在芯片上.
  • 实现一个单静态的像素架构与连贯的探测器和电子设备.
  • 使用平面内热光学开关和集成的串行数字接口进行光学切换和同步读出.

主要成果:

  • 与之前的演示相比,像素数量增加了五倍.
  • 获取了从4米到65米的物体点云.
  • 经过证明的每像素整合时间与每秒 3 到 15 的率兼容.

结论:

  • 开发的FMCW LiDAR FPA可实现大规模,连贯的4D成像.
  • 这项技术解决了对可扩展,高性能3D传感解决方案的需求.
  • 这些发现为无处不在,低成本,紧的4D成像摄像机铺平了道路.