International Electrotechnical Commission

EN full width half maximum
range of a variable over which a given characteristic is greater than 50 % of its maximum value

Note 1 to entry:·FWHM can be applied to characteristics such as radiation patterns, spectral linewidths, etc. and the variable can be wavelength, spatial or angular properties, etc., as appropriate.

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-12-1, ed. 2.0 (2015-10) Terms     Info
Reference number:3.5

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