homogeneous immersion


ho·mo·ge·ne·ous im·mer·sion

in immersion microscopy, use of a fluid, such as oil, that has a refractive index virtually identical to that of glass, providing the highest possible numerical aperture.

homogeneous immersion

Immersion in which the stratum of air between objective and cover glass is replaced by a medium that deflects as little as possible the rays of light passing through the cover glass. See also: immersion