homogeneous line-broadening

homogeneous line-broadening

[¦hō·mə¦jē·nē·əs ′līn ‚brȯd·ən·iŋ]
(optics)
An increase beyond the natural linewidth of an absorption or emission line which results from a disturbance (such as collisions or lattice vibrations) that is the same for all the source emitters.
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