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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

254
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....
254

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相关实验视频

Updated: Jul 19, 2025

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一种基于虚拟成像相位阵列技术的宽带像素分辨率可见CCD光谱仪.

Hao Zhou1,2, Weixiong Zhao1, Bo Fang1

  • 1Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, Anhui, China. wxzhao@aiofm.ac.cn.

The Analyst
|August 8, 2023
PubMed
概括
此摘要是机器生成的。

我们使用虚拟成像相位阵列 (VIPA) 技术开发了一种高分辨率可见光谱仪. 该系统实现了宽带光谱覆盖和高分辨率,非常适合光谱和痕迹检测.

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相关实验视频

Last Updated: Jul 19, 2025

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科学领域:

  • 频谱学是一种光谱学.
  • 光学工程是指光学工程.
  • 光子学是指光子学的使用方法.

背景情况:

  • 在光谱仪中实现宽带光谱覆盖率和高分辨率是一个重大挑战.
  • 现有的光谱仪设计往往在同时满足这些要求时面临限制.

研究的目的:

  • 开发一种高分辨率可见光谱仪,使用虚拟成像相位阵列 (VIPA) 技术.
  • 在一个单一的,简单的光谱仪系统中实现宽带光谱覆盖和高分辨率.

主要方法:

  • 采用虚拟成像阶段阵列 (VIPA) 技术,采用薄玻璃板和反射格,用于二维交叉分散.
  • 研究了VIPA标准表面质量,CCD像素大小,输入光束针孔大小和成像镜头焦距对光谱仪分辨率和点大小的影响.
  • 通过将实验结果与理论计算进行比较,验证了模拟准确性.

主要成果:

  • 实现了大约14.94 THz的宽带频谱覆盖.
  • 在632.996nm获得大约1GHz的高分辨率.
  • 展示了一个简单的光谱仪结构,具有有效的二维交叉分散.

结论:

  • 开发的VIPA光谱仪成功地整合了宽带覆盖和高分辨率.
  • 这项研究为模拟和构建VIPA光谱仪提供了宝贵的见解.
  • 该仪器作为一个强大的工具,用于高分辨率光谱和同时多种物种的痕迹检测.