FWHM in Bandpass Filter Visualization
Center Wavelength (nm)
530
nm
FWHM (nm)
30
nm
White LED
(400–700 nm)
→
Bandpass Filter
(Adjust FWHM)
→
Filtered Light
FWHM (Full Width at Half Maximum):
The width of the band where the filter transmits at least half of its maximum intensity.
Blue window
shows the filter's passband.
Red lines
mark the FWHM range.