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Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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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...
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Photoelectric Effect02:26

Photoelectric Effect

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
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相关实验视频

Updated: Jul 21, 2025

Single Molecule Fluorescence Microscopy on Planar Supported Bilayers
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用于宽光谱范围的CMOS图像传感器,具有>90%的量子效率.

Olli E Setälä1, Martin J Prest2, Konstantin D Stefanov2

  • 1Department of Electronics and Nanoengineering, Aalto University, Tietotie 3, Espoo, FI-02150, Finland.

Small (Weinheim an der Bergstrasse, Germany)
|July 26, 2023
PubMed
概括
此摘要是机器生成的。

表面纳米工程通过提高光谱范围和光敏度来增强互补的金属氧化物半导体 (CMOS) 图像传感器 (CIS). 这种新的方法减少了暗电流,为传统的性能限制方法提供了一个有希望的替代方案.

关键词:
抗反射涂层是一种反反射涂层.黑色的黑色的.互补金属氧化物半导体 (CMOS) 图像传感器黑暗的电流 黑暗的电流 黑暗的电流量子效率是指量子效率是指量子效率.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电气工程 电气工程
  • 光电学是指光电子产品.

背景情况:

  • 互补金属氧化物半导体 (CMOS) 图像传感器 (CIS) 在现代技术中至关重要.
  • 像反射涂层这样的传统方法通过造成光学和电气损失来限制CIS的性能.

研究的目的:

  • 研究表面纳米工程对CIS性能的影响.
  • 用纳米结构表面和原子层沉积来取代传统方法,以提高设备功能.

主要方法:

  • 应用表面纳米工程,包括纳米结构表面和原子层沉积被动化.
  • 使用商用背面照明的CIS进行测试.
  • 评估的光谱范围,光敏度,暗电流和光响应均性.

主要成果:

  • 在300-700nm波长范围内实现了>90%的量子效率.
  • 减少了黑暗电流的三倍.
  • 观察到略有改善的光响应均性,并注意到由于纳米结构的潜在光学交叉声.

结论:

  • 表面纳米工程显著提高了CIS光谱范围和光敏度.
  • 这种技术为改善CIS性能提供了比传统方法更好的替代方案.
  • 表面纳米工程对于各种CIS应用具有巨大的潜力.