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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle01:19

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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.
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview01:19

Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview

In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then passed on to...

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Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

Antenna development for high field plasma imaging.

X Kong1, C W Domier, N C Luhmann

  • 1Department of Applied Science, University of California at Davis, Davis, California 95616, USA.

The Review of Scientific Instruments
|November 2, 2010
PubMed
Summary
This summary is machine-generated.

New planar antennas enhance electron cyclotron emission imaging and microwave imaging reflectometry for high-field magnetic fusion plasmas. These advancements enable detailed visualization of plasma temperature and density fluctuations.

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Area of Science:

  • Plasma physics
  • Fusion energy research
  • Microwave diagnostics

Background:

  • Electron cyclotron emission imaging (ECEI) and microwave imaging reflectometry (MIR) are key non-perturbing plasma visualization techniques.
  • These methods utilize millimeter-wave imaging arrays with lens-coupled planar antennas to capture real-time plasma data.
  • Current technologies are limited in their application to high-field magnetic fusion devices.

Purpose of the Study:

  • To develop new planar antennas for ECEI and MIR systems.
  • To extend the operational frequency range of these diagnostic tools up to 220 GHz.
  • To enable advanced plasma visualization in high-field ( > 3 T) magnetic fusion devices.

Main Methods:

  • Development of novel planar antenna designs for millimeter-wave frequencies.
  • Utilizing lens-coupling for antenna integration into imaging arrays.
  • Conducting theoretical calculations, electromagnetic simulations, and experimental measurements to validate designs.

Main Results:

  • Successful development of new planar antennas operating at frequencies up to 220 GHz.
  • Demonstrated suitability of these antennas for high-field plasma applications.
  • Validation of antenna designs through comprehensive analysis and testing.

Conclusions:

  • The new planar antennas significantly advance ECEI and MIR capabilities.
  • These developments facilitate enhanced diagnostics for high-temperature magnetic fusion plasmas.
  • The technology is poised for application in next-generation high-field fusion devices.