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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

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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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The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
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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...
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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.
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Related Experiment Video

Updated: Apr 4, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
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A fibre based triature interferometer for measuring rapidly evolving, ablatively driven plasma densities.

J Macdonald1, S N Bland2, J Threadgold1

  • 1AWE, Aldermaston, Reading, Berkshire RG7 4PR, United Kingdom.

The Review of Scientific Instruments
|September 3, 2015
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Summary
This summary is machine-generated.

This study introduces a portable fibre interferometer for measuring high plasma densities from plasma guns. The system is cost-effective and safe, utilizing triature analysis for accurate measurements.

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Area of Science:

  • Plasma physics
  • Optical diagnostics
  • Interferometry

Background:

  • Accurate measurement of rapidly evolving plasma densities is crucial for understanding phenomena in plasma physics.
  • Existing diagnostic techniques may lack portability, cost-effectiveness, or safety for certain experimental setups.

Purpose of the Study:

  • To report the first application of a fibre interferometer with triature analysis for measuring high plasma densities.
  • To demonstrate a portable, cost-effective, and safe diagnostic system for plasma experiments.

Main Methods:

  • Development and implementation of a fibre interferometer system.
  • Incorporation of triature analysis for plasma density measurement.
  • Testing the system with plasma generated by coaxial plasma guns.

Main Results:

  • Successful measurement of rapidly evolving plasma densities (n(e) ∼ 10(13)/cm(3) and above).
  • Demonstration of the system's portability and ease of field deployment.
  • Confirmation of the system's cost-effectiveness and operational safety.

Conclusions:

  • The fibre interferometer with triature analysis is a viable tool for measuring high plasma densities.
  • The developed system offers a practical and safe solution for plasma diagnostics in various experimental settings.
  • This technology advances the capabilities for studying transient plasma phenomena.