D_to_beta2

pynlo.utility.chi1.D_to_beta2(v_grid, D)

Dispersion parameter D to group velocity dispersion beta_2 (GVD).

Parameters:

v_gridarray_like of float

The frequency grid.

Darray_like of float

The dispersion parameter D, in units of s/m**2.

Returns:

The GVD, in units of s**2/m.