# odak.wave.rotationspeed¶

Definition for calculating rotation speed of a wave (w in A*e^(j(wt+phi))).

Parameters:

Name Type Description Default
wavelength float

Wavelength of a wave in mm.

required
c float

Speed of wave in mm/seconds. Default is the speed of light in the void!

300000000000

Returns:

Type Description
float

Rotation speed.

Source code in odak/wave/__init__.py
def rotationspeed(wavelength, c=3*10**11):
"""
Definition for calculating rotation speed of a wave (w in A*e^(j(wt+phi))).

Parameters
----------
wavelength   : float
Wavelength of a wave in mm.
c            : float
Speed of wave in mm/seconds. Default is the speed of light in the void!

Returns
-------
w            : float
Rotation speed.

"""
f = c*wavelength
w = 2*np.pi*f
return w