odak.wave.wavenumber¶

Definition for calculating the wavenumber of a plane wave.

Parameters:

Name Type Description Default
wavelength float

Wavelength of a wave in mm.

required

Returns:

Type Description
float

Wave number for a given wavelength.

Source code in odak/wave/__init__.py
def wavenumber(wavelength):
"""
Definition for calculating the wavenumber of a plane wave.

Parameters
----------
wavelength   : float
Wavelength of a wave in mm.

Returns
-------
k            : float
Wave number for a given wavelength.
"""
k = 2*np.pi/wavelength
return k