- qspec.saturation_intensity ( f , a , a_dipole = 1.0 )[source]
The saturation intensity of an electronic dipole transition $I_0 = \pi f^3hA_{ki} / (3c^2a_\mathrm{dipole})$.
- Parameters:
-
- farray_like
The frequency $f$ of the transition $|i\rangle\rightarrow|k\rangle$ (MHz).
- aarray_like
The Einstein $A_{ki}$ coefficient (MHz).
- a_dipolearray_like
The reduced dipole coefficient of the transition (see
qspec.a_dipole
).
- Returns:
-
- sat_intensityndarray
The saturation intensity $I_0$.