Main Page | See live article | Alphabetical index In the study of diffraction and antenna design, the near field is that part of the radiated field that is within a small number of wavelengths of the diffracting edge or antenna. The part of the radiated field that is beyond this is known as the far field. See also: Fresnel diffraction (for the near field) Fraunhofer diffraction (for the far field) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.