scipy.constants.nu2lambda

scipy.constants.nu2lambda(nu)

Convert optical frequency to wavelength.

Parameters :

nu : array_like

Optical frequency to be converted.

Returns :

lambda : float or array of floats

Equivalent wavelength(s).

Notes

Computes lambda = c / nu where c = 299792458.0, i.e., the (vacuum) speed of light in meters/second.

Examples

>>> from scipy.constants.constants import nu2lambda
>>> nu2lambda(np.array((1, speed_of_light)))
array([  2.99792458e+08,   1.00000000e+00])

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