full width half maximum


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full width half maximum

,

FWHM

The width of a peak or the bandpass of an emission or absorption spectrum in a laboratory photometer or spectrophotometer. When combined with other characteristics of the device, this can be used to predict suitability of the photometer or spectrophotometer for specific applications and measurements.
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This confirms the findings by Kolmas et al.11 which stated that the decrease in full width half maximum is directly proportional to the increase in the calcination temperature.
Both filters are chosen with equal full width half maximum (FWHM) bandwidths.
where fwhm is the full width half maximum. The function is fitted at the least square sense with the computed points and the maximum position, the peak value and the full width half maximum can be extracted.
For example the full width half maximum is an important parameter for the sensor in order to find its Q-factor.
The most important impact of the grating depth is on the full width half maximum of the resonance peak.