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.