Spectral width
Term | Main definition |
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Spectral width |
A measure of the extent of a spectrum. The range of
wavelengths within a light source. For a source, the
width of wavelengths contained in the output at one half
of the wavelength of peak power. Typical spectral widths
are between 20nm and 170nm for an LED and between
1nm and 5nm for a laser diode.
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