In optics, the Fresnel diffraction equation for near-field diffraction is an approximation of the Kirchhoff–Fresnel diffraction that can be applied to...

theory of diffraction Electron diffraction Fraunhofer diffraction Fresnel imager Fresnel number Fresnel zone Point spread function Powder diffraction Quasioptics...

Huygens-Fresnel principle is a method of analysis applied to problems of luminous wave propagation both in the far-field limit and in near-field diffraction as...

Kirchhoff's diffraction formula (also called Fresnel–Kirchhoff diffraction formula) approximates light intensity and phase in optical diffraction: light fields...

use diffraction instead of refraction or reflection. Based on analysis by French physicist Augustin-Jean Fresnel, they are sometimes called Fresnel zone...

Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern...

simple colors consist of sinusoidal waves, Fresnel gave the first satisfactory explanation of diffraction by straight edges, including the first satisfactory...

error function (erf). They arise in the description of near-field Fresnel diffraction phenomena and are defined through the following integral representations:...

optics, in particular scalar diffraction theory, the Fresnel number (F), named after the physicist Augustin-Jean Fresnel, is a dimensionless number relating...

Diffraction from slits Diffraction spike Diffractive solar sail Echelle grating Fraunhofer diffraction Fraunhofer diffraction (mathematics) Fresnel diffraction...

Poisson spot, or Fresnel spot is a bright point that appears at the center of a circular object's shadow due to Fresnel diffraction. This spot played...

Ellipse#Elliptical reflectors and acoustics Fresnel diffraction Fresnel integral Fresnel number Fresnel zone plate Fresnel zone antenna Microwave Near field Path...

approaches the far field. Local effects Fraunhofer diffraction for more on the far field Fresnel diffraction for more on the near field Inductive heating of...

In atomic physics, a ridged mirror (or ridged atomic mirror, or Fresnel diffraction mirror) is a kind of atomic mirror, designed for the specular reflection...

nature, this effect challenges explanation through ray theory and the Fresnel diffraction equation in certain regions. Conversely, the shadow blister effect...

Fresnel diffraction equation, which implies that as the plane of observation gets closer to the plane in which the slits are located, the diffraction...

Grand Prix of the Academy of Sciences for his celebrated memoir on diffraction—Fresnel was "temporarily" seconded to the commission on the recommendation...

can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy. The diffraction pattern resulting from...

limit (by "happy chance"). Augustin Fresnel, working in 1818 on the diffraction of light, developed the Fresnel integral that defines the same spiral...

Fraunhofer diffraction or far-field diffraction at large separations and Fresnel diffraction or near-field diffraction at close separations. In the analysis...

light on a certain point by using the phenomenon of diffraction. Such patterned sheets, called Fresnel zone plates, have long been used for focusing laser...

The Fresnel equations (or Fresnel coefficients) describe the reflection and transmission of light (or electromagnetic radiation in general) when incident...

Numerical approximations may be used, including the Fresnel and Fraunhofer approximations. Because diffraction is the result of addition of all waves (of given...

Fresnel and Fraunhofer diffraction). Electron diffraction is similar to x-ray and neutron diffraction. However, unlike x-ray and neutron diffraction where...

using the slow atomic beams can use the Fresnel zone plate (Fresnel diffraction lens) of a Fresnel diffraction mirror as focusing element. The imaging...

Fraunhofer diffraction equation is used to model the diffraction of waves when the diffraction pattern is viewed at a long distance from the diffracting object...

phase deviation over the face of the radiator. Fresnel number Fresnel diffraction and Fraunhofer diffraction Antenna measurement Eugene F. Knott, "Radar...

(\rho ,\theta )} . This solution is important in diffraction theory, e.g. in deriving Fresnel diffraction. In the paraxial approximation of the Helmholtz...

(such as the edge of an occulting disk or optical aperture) causes Fresnel diffraction of incoming light around the edge, which means that the smaller instruments...

diffraction Fraunhofer distance Freak wave Frequency Frequency modulation Fresnel diffraction Fresnel equations Fresnel integral Fresnel lens Fresnel...