extrapolate_ion_current_OML

plasmapy.diagnostics.langmuir.extrapolate_ion_current_OML(probe_characteristic, fit, visualize=False)

Extrapolate the ion current from the ion density obtained with the OML method.

Parameters:

• probe_characteristic (Characteristic) – The probe characteristic that is being analyzed.
• fit (ndarray) – Fit coefficients returned by the OML method.
• visualize (bool, optional) – If True a plot of the extracted electron current is shown. Default is False.

Returns:

ion_section – The exponential electron current growth section.

Return type:

Characteristic

Notes

The exponential section of the probe characteristic should be a straight line if the plasma electrons are fully Maxwellian. The slope is then inversely proportional to the electron temperature.