Fraunhofer diffraction

(redirected from Far-field diffraction pattern)

Fraunhofer diffraction

[′frau̇n‚hōf·ər di‚frak·shən]
(optics)
Diffraction of a beam of parallel light observed at an effectively infinite distance from the diffracting object, usually with the aid of lenses which collimate the light before diffraction and focus it at the point of observation.
References in periodicals archive ?
thus, the key problem in solvinv for the far-field pattern of the zone plate is that of the far-field diffraction pattern of the circular aperture.