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The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
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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).
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First experiments with gasdynamic ion source in CW mode.

V Skalyga1, I Izotov1, S Golubev1

  • 1Institute of Applied Physics, Russian Academy of Sciences (IAP RAS), 46 Ul'yanova St., Nizhny Novgorod 603950, Russia.

The Review of Scientific Instruments
|March 3, 2016
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Summary
This summary is machine-generated.

A novel gasdynamic electron cyclotron resonance (ECR) ion source now operates in continuous wave (CW) mode. This advancement maintains high ion beam current and low emittance, crucial for particle accelerator applications.

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Area of Science:

  • Plasma Physics
  • Particle Accelerators
  • Ion Source Technology

Background:

  • Electron Cyclotron Resonance (ECR) ion sources are vital for generating ion beams.
  • Previous gasdynamic ECR ion sources demonstrated high current density and low emittance in pulsed mode.
  • Limited research existed on the continuous wave (CW) operation of these advanced sources.

Purpose of the Study:

  • To investigate the feasibility and performance of a gasdynamic ECR ion source in CW mode.
  • To establish a test bench for CW operation at the Institute of Applied Physics (IAP RAS).
  • To evaluate plasma parameters and extracted ion beam characteristics during CW operation.

Main Methods:

  • Development of a dedicated test bench at the SMIS 24 facility.
  • Utilizing a 24 GHz continuous wave (CW) gyrotron for plasma heating.
  • Employing a magnetic trap with a simple mirror configuration.
  • Extraction of ion beams under CW high voltage discharge conditions.

Main Results:

  • Successful operation of the gasdynamic ECR ion source in CW mode.
  • Extraction of ion beams with both pulsed and CW high voltage.
  • Demonstration that the source's advantages (high current density, low emittance) are retained in CW operation.
  • Initial characterization of plasma parameters in the CW discharge.

Conclusions:

  • The gasdynamic ECR ion source is suitable for CW operation.
  • Continuous wave operation preserves the key benefits of high current density and low emittance.
  • This development expands the applicability of gasdynamic ECR ion sources for demanding applications.