near-field diffraction pattern

near-field diffraction pattern: The diffraction pattern of an electromagnetic wave, which pattern is observed close to a source or aperture, as distinguished from a far-field diffraction pattern. Note: The pattern in the output plane is called the near-field radiation pattern. Synonym Fresnel diffraction pattern. Contrast with far-field diffraction pattern.

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996