wavenumber derivations
wavenumber from frequency
symbol description unit variable name \(c\) speed of light \(\frac{m}{s}\) \(\nu\) frequency \(Hz\) frequency {:} \(\tilde{\nu}\) wavenumber \(\frac{1}{m}\) wavenumber {:} The pattern : for the first dimensions can represent {spectral}, {time}, {time,spectral}, or no dimensions at all.
\[\tilde{\nu} = \frac{\nu}{c}\]wavenumber from wavelength
symbol description unit variable name \(\lambda\) wavelength \(m\) wavelength {:} \(\tilde{\nu}\) wavenumber \(\frac{1}{m}\) wavenumber {:} The pattern : for the first dimensions can represent {spectral}, {time}, {time,spectral}, or no dimensions at all.
\[\tilde{\nu} = \frac{1}{\lambda}\]