Noun
English Wikipedia has an article on:wavenumberWikipedia
wavenumber (plural wavenumbers)
(mathematics, physics) A measure of the number of waves in unit distance; inversely proportional to its wavelength.
A data-processing technique called Fourier transform turns this raw data into the desired result (the sample's spectrum): Light output as a function of infrared wavelength (or equivalently, wavenumber ). Source: Internet
Energy levels The energy of a particle in a box (black circles) and a free particle (grey line) both depend upon wavenumber in the same way. Source: Internet
Extracting the spectrum The intensity as a function of the path length difference (also denoted as retardation) in the interferometer and wavenumber is Peter Atkins, Julio De Paula. 2006. Source: Internet
Physics and engineering * Fresnel number – wavenumber over distance * Reynolds number is commonly used in fluid mechanics to characterize flow, incorporating both properties of the fluid and the flow. Source: Internet
In the mid- to far-IR, spectra are typically expressed in units of Watts per unit wavelength (μm) or wavenumber (cm −1 ). Source: Internet
It is usually encountered in quantum mechanics, where it is used in combination with the reduced Planck constant (symbol ħ, h-bar) and the angular frequency (symbol ω) or angular wavenumber (symbol k). Source: Internet