8. Emission Models

Cherab contains a number of independent physics models for spectroscopic emission.

• 8.1. Custom emission models
• 8.2. Beam Attenuation
  • 8.2.1. Single Ray Attenuator
    • SingleRayAttenuator
      • SingleRayAttenuator.calculate_attenuation()
      • SingleRayAttenuator.density()
• 8.3. CXS models
  • 8.3.1. CXS Beam Plasma Intersection
    • BeamCXLine
      • BeamCXLine._change()
      • BeamCXLine.emission()
• 8.4. Calculation of predicted charge-exchange spectra seen by a line-of-sight
  • 8.4.1. Definition of charge-exchange coefficients
  • 8.4.2. Calculation of the line intensity of CX spectral lines (without predicting observed spectra)
  • 8.4.3. In more details charge-exchange cross-section
  • 8.4.4. In more details calculation of excited level populations of impurity ions \(Z^{* \alpha+}(n, l, j)\)
  • 8.4.5. Calculation of the line intensity of CX spectral lines using a statistical description (prediction of spectra)
• 8.5. BES - Beam Emission Spectroscopy
• 8.6. Total Radiated Power
  • TotalRadiatedPower
• 8.7. Bremsstrahlung
  • Bremsstrahlung
    • Bremsstrahlung.emission()
• 8.8. Basic Line Emission
  • ExcitationLine
  • RecombinationLine
  • ThermalCXLine
• 8.9. Spectral Line Shapes
  • doppler_shift
  • thermal_broadening
  • add_gaussian_line
  • add_lorentzian_line
  • LineShapeModel
  • GaussianLine
  • MultipletLineShape
  • ZeemanLineShapeModel
  • ZeemanTriplet
  • ParametrisedZeemanTriplet
  • ZeemanMultiplet
  • StarkBroadenedLine
  • BeamLineShapeModel
  • BeamEmissionMultiplet
• 8.10. Laser
  • 8.10.1. Laser Spectrum
    • ConstantSpectrum
    • GaussianSpectrum
  • 8.10.2. Laser Profile
    • UniformEnergyDensity
      • UniformEnergyDensity.generate_geometry()
    • ConstantBivariateGaussian
      • ConstantBivariateGaussian.generate_geometry()
    • TrivariateGaussian
      • TrivariateGaussian.generate_geometry()
    • GaussianBeamAxisymmetric
      • GaussianBeamAxisymmetric.generate_geometry()
  • 8.10.3. Laser Model
    • SeldenMatobaThomsonSpectrum
      • SeldenMatobaThomsonSpectrum.calculate_spectrum()