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相关概念视频

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
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相关实验视频

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Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
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使用单光子雪崩二极管摄像头进行闪光事件成像.

Alex Bocchieri1, Edoardo Charbon2, Andreas Velten3,4

  • 1Department of Computer Sciences, University of Wisconsin - Madison, Madison, WI, USA. alexb826@gmail.com.

Communications engineering
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一个新的SPAD摄像头将单个闪光事件3D成像,比以前的方法提供更高的分辨率. 这一进步使得能够详细分析辐射源信息和闪电器内的粒子相互作用.

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科学领域:

  • 核物理学 核物理 核物理
  • 辐射检测检测辐射检测器
  • 图像技术技术的成像技术

背景情况:

  • 闪事件编码辐射源信息.
  • 当前的成像技术缺乏足够的空间或时间分辨率.
  • 单光子雪崩二极管 (SPAD) 阵列为光子检测提供高分辨率.

研究的目的:

  • 提出和演示一种高分辨率的SPAD摄像头,用于成像单个闪事件.
  • 克服现有的无镜头和基于相机的设计的局限性.
  • 为了实现闪光事件的3D定位和分析.

主要方法:

  • 使用一台商用SPAD相机,配备一个厚厚的单立体闪光灯.
  • 绘制单个闪事件的图像并分析它们的空间分布.
  • 执行模拟以验证3D定位能力.

主要成果:

  • 用SPAD相机成功地显示了单个闪光事件的成像.
  • 观察到闪光事件的空间分布中的3D转移.
  • 证实了SPAD摄像机对事件3D定位的能力.

结论:

  • SPAD摄像机可以以高分辨率成像单个闪事件.
  • 拟议的方法允许对辐射相互作用进行详细分析.
  • 这项技术有可能用于测量闪电器中的复杂粒子特征.