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- Fresnel number (category Diffraction)In optics, in particular scalar diffraction theory, the Fresnel number (F), named after the physicist Augustin-Jean Fresnel, is a dimensionless number...8 KB (970 words) - 06:04, 9 June 2024
- 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) - 10:36, 1 November 2024
sources. Similar diffraction patterns can be produced by related scattering techniques such as electron diffraction or neutron diffraction. If single crystals...33 KB (4,265 words) - 17:54, 15 September 2024
Coherent diffraction imaging Diffraction from slits Diffraction spike Diffraction vs. interference Diffractive solar sail Diffractometer Dynamical theory of...50 KB (6,404 words) - 01:17, 4 November 2024
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) - 15:15, 9 June 2024
Superposition principle (redirect from Interference vs. diffraction)interference fringes observed by Young were the diffraction pattern of the double slit, this chapter [Fraunhofer diffraction] is, therefore, a continuation of Chapter...20 KB (2,722 words) - 23:40, 5 October 2024
of diffraction and the obstruction point increases, the diffraction patterns or results predicted converge towards those of Fraunhofer diffraction, which...19 KB (3,959 words) - 22:45, 28 August 2022
Field (physics) (redirect from Field theory (physics))quantity, represented by a scalar, vector, or tensor, that has a value for each point in space and time. An example of a scalar field is a weather map, with...36 KB (4,362 words) - 05:25, 25 October 2024
Huygens–Fresnel principle (redirect from Diffraction losses)components encountered. Kirchhoff's diffraction formula provides a rigorous mathematical foundation for diffraction, based on the wave equation. The arbitrary...24 KB (3,052 words) - 06:29, 25 July 2024
Wavelength (section Interference and diffraction)called diffraction. Two types of diffraction are distinguished, depending upon the separation between the source and the screen: Fraunhofer diffraction or...35 KB (4,288 words) - 22:40, 23 September 2024
James Hall). The beam pattern matches well the predictions of scalar diffraction theory. The beamwidth (FWHM) is 8.4+/-0.2 arcmin and the main beam efficiency...28 KB (3,760 words) - 16:26, 22 June 2024- 1088/0370-1298/63/9/301. ISSN 0370-1298. Chen-To Tai (1972). "Kirchhoff theory: Scalar, vector, or dyadic?". IEEE Transactions on Antennas and Propagation...18 KB (2,947 words) - 13:16, 4 August 2023
- Wave–particle duality (redirect from Particle theory of light)non-relativistic diffraction model for electrons by Hans Bethe based upon the Schrödinger equation, which is very close to how electron diffraction is now described...27 KB (2,863 words) - 16:28, 24 October 2024
- (2003). Principles of Optics. The electromagnetic theory of propagation, interference and diffraction of light, seventh edition, Cambridge University Press...18 KB (2,589 words) - 17:29, 17 March 2023
- theory is a branch of bifurcation theory in the study of dynamical systems; it is also a particular special case of more general singularity theory in...23 KB (2,787 words) - 09:36, 8 November 2024
Optics (section Diffraction and optical resolution)of situations such as diffraction through a single gap, diffraction through multiple slits, or diffraction through a diffraction grating that contains...106 KB (12,873 words) - 14:54, 3 November 2024
Mie scattering (redirect from Lorenz-Mie theory)negative effective permittivity (permeability). Mie theory is often applied in laser diffraction analysis to inspect the particle sizing effect. While...58 KB (9,207 words) - 16:51, 23 October 2024- dimensions was first described in 1849 by George Gabriel Stokes for a theory of diffraction. Hermann von Helmholtz published his paper on some hydrodynamic...44 KB (7,222 words) - 14:02, 27 October 2024
- (I) is (up to an irrelevant scalar factor) equal to ψ I {\displaystyle \psi ^{\text{I}}} (this is what standard quantum theory would regard as the wavefunction...125 KB (16,699 words) - 22:38, 7 November 2024
- hardware it is needed for, and the coupled wave theory is a common tool used to calculate the diffraction efficiency or grating volume that helps with the...19 KB (2,433 words) - 05:21, 1 November 2024
- magnitude is represented by twice the area of the triangle formed by them. The scalar product of two vectors E and H is ExHx + EyHy + EzHz. It is denoted by (E
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