cie

17-21-026

wavenumber

wave number

; σ

reciprocal of the wavelength

Note 1 to entry: The wavenumber is expressed in metre to the power minus one (m−1).

Note 2 to entry: This entry was numbered 845-01-15 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-1425 in CIE S 017:2011.

Publication date: 2020-12
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