cie

17-21-016

spectral line

monochromatic radiation emitted or absorbed in a transition between two energy levels

Note 1 to entry: A spectral line is often observed as a sharp feature in a spectrum.

Note 2 to entry: This entry was numbered 845-01-09 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-1218 in CIE S 017:2011.

Publication date: 2020-12
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