and the term diffraction is used when many waves are superposed.: 433 Italian scientist Francesco Maria Grimaldi coined the word diffraction and was the...
52 KB (6,613 words) - 03:14, 30 May 2025
directions (i.e., different diffraction angles). The emerging coloration is a form of structural coloration. The directions or diffraction angles of these beams...
49 KB (5,784 words) - 19:39, 22 May 2025
limit to its resolution due to the physics of diffraction. An optical instrument is said to be diffraction-limited if it has reached this limit of resolution...
21 KB (2,789 words) - 16:11, 13 June 2025
Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern...
24 KB (3,589 words) - 18:19, 7 October 2024
X-ray crystallography (redirect from X-ray diffraction analysis)
beam of incident X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer can produce...
113 KB (11,753 words) - 13:40, 29 May 2025
sources. Similar diffraction patterns can be produced by related scattering techniques such as electron diffraction or neutron diffraction. If single crystals...
32 KB (4,238 words) - 11:06, 24 May 2025
Airy disk (redirect from Diffraction blur)
can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy. The diffraction pattern resulting from...
31 KB (4,806 words) - 08:31, 24 May 2025
In optics, the Fresnel diffraction equation for near-field diffraction is an approximation of the Kirchhoff–Fresnel diffraction that can be applied to...
14 KB (2,369 words) - 13:50, 28 May 2025
Double-slit experiment (redirect from Double-slit diffraction)
Fresnel diffraction equation, which implies that as the plane of observation gets closer to the plane in which the slits are located, the diffraction patterns...
78 KB (8,687 words) - 23:57, 7 June 2025
overview of electron diffraction and electron diffraction patterns, collective referred to by the generic name electron diffraction. This includes aspects...
143 KB (15,555 words) - 16:06, 9 June 2025
to obtain a diffraction pattern that provides information of the structure of the material. The technique is similar to X-ray diffraction but due to their...
48 KB (5,330 words) - 23:01, 15 June 2025
the type of beam used, as in the terms X-ray diffraction, neutron diffraction and electron diffraction. These three types of radiation interact with...
21 KB (2,242 words) - 15:34, 9 June 2025
Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization...
34 KB (4,413 words) - 19:24, 13 May 2025
fields as quasi optical and uses knife-edge diffraction to determine diffraction coefficients for each diffracting object-source combination. These coefficients...
2 KB (218 words) - 10:29, 17 January 2025
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...
34 KB (6,004 words) - 05:48, 25 May 2025
how fine these support rods are they diffract the incoming light from a subject star and this appears as diffraction spikes which are the Fourier transform...
12 KB (1,191 words) - 23:24, 3 April 2025
summarized TOFD as tip-diffraction techniques which utilized the principle that the tips of a crack when struck by a wave will diffract the signals back to...
6 KB (760 words) - 01:16, 12 November 2024
Kinematic diffraction is an approximation for diffraction of waves. It assumes that the waves are only scattered once, neglecting multiple scattering...
3 KB (382 words) - 02:54, 25 May 2025
information within each diffraction pattern can be analysed in more detail. For texture and orientation measurements, the diffraction patterns are binned...
124 KB (13,688 words) - 15:54, 9 June 2025
In optics, diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput....
2 KB (207 words) - 01:43, 22 November 2024
Atmospheric diffraction is manifested in the following principal ways: Optical atmospheric diffraction Radio wave diffraction is the scattering of radio...
7 KB (959 words) - 03:21, 19 August 2023
Bragg's law (redirect from Bragg diffraction)
periodic microscale lattices. Bragg diffraction (also referred to as the Bragg formulation of X-ray diffraction) was first proposed by Lawrence Bragg...
23 KB (2,670 words) - 06:34, 2 June 2025
Wavelength (section Interference and diffraction)
Fraunhofer diffraction or far-field diffraction at large separations and Fresnel diffraction or near-field diffraction at close separations. In the analysis...
36 KB (4,299 words) - 20:17, 15 May 2025
times larger, the electrons are diffracted on the crystal lattice, acting as a diffraction grating. Due to the diffraction, part of the electrons is scattered...
15 KB (1,710 words) - 23:20, 13 July 2024
International Centre for Diffraction Data (ICDD) maintains a database of powder diffraction patterns, the Powder Diffraction File (PDF), including the...
3 KB (384 words) - 02:17, 1 October 2024
methods that also rely on diffraction of high-energy electrons. Transmission electron microscopy, another common electron diffraction method samples mainly...
26 KB (3,213 words) - 18:38, 26 June 2024
4D scanning transmission electron microscopy (section Virtual Diffraction (Dark Field / Bright Field) Imaging)
scanning electron nano diffraction (SEND), nanobeam electron diffraction (NBED), or pixelated STEM. The use of diffraction patterns as a function of...
41 KB (4,825 words) - 07:55, 9 June 2025
acoustics. The sections below deal with dynamical diffraction of X-rays. The dynamical theory of diffraction considers the wave field in the periodic potential...
6 KB (714 words) - 03:07, 18 May 2024
X-ray diffraction computed tomography is an experimental technique that combines X-ray diffraction with the computed tomography data acquisition approach...
15 KB (1,768 words) - 23:41, 22 May 2025
Kirchhoff's diffraction formula (also called Fresnel–Kirchhoff diffraction formula) approximates light intensity and phase in optical diffraction: light fields...
23 KB (3,751 words) - 22:43, 27 November 2024