inhomogeneous line-broadening

inhomogeneous line-broadening

[in‚hä·mə′jē·nē·əs ′līn ‚brȯd·ən·iŋ]
(optics)
An increase beyond the natural linewidth in the width of an absorption or emission line that results from a disturbance (such as strains or imperfections) that can differ from one source emitter to another.