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Thomson scattering synthetic diagnostic module for the Cherab framework.

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A new Thomson scattering module for the Raysect and Cherab framework enables precise modeling of diagnostic systems. This tool aids in validating experimental data and designing new systems for fusion research.

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Area of Science:

  • Plasma physics
  • Computational physics
  • Spectroscopic diagnostics

Background:

  • Accurate modeling of plasma diagnostics is crucial for fusion energy research.
  • Existing frameworks may lack specialized modules for complex spectroscopic techniques.
  • Thomson scattering is a key diagnostic for measuring plasma properties.

Purpose of the Study:

  • To introduce a novel Thomson scattering module for the Raysect and Cherab framework.
  • To enable high-precision synthetic data generation for Thomson scattering diagnostics.
  • To demonstrate the module's utility in data validation and system design.

Main Methods:

  • Development of a specialized Thomson scattering module within the Raysect and Cherab framework.
  • Integration of accurate physical models for ray propagation and radiation.
  • Application of the module to a tokamak edge Thomson scattering diagnostic (COMPASS).

Main Results:

  • The module successfully models Thomson scattering systems with high precision.
  • Synthetic data generated by the module aligns with experimental data from the COMPASS tokamak.
  • The framework and module demonstrate potential as a design support tool for future diagnostics.

Conclusions:

  • The new Thomson scattering module enhances the Raysect and Cherab framework's capabilities.
  • This tool facilitates accurate data validation and innovative diagnostic design in plasma physics.
  • The module represents a significant advancement for computational modeling in fusion research.