• 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
  • In optics, the Fraunhofer diffraction equation is used to model the diffraction of waves when the diffraction pattern is viewed at a long distance from...
    34 KB (6,004 words) - 18:53, 26 February 2025
  • Thumbnail for Joseph von Fraunhofer
    Wollaston in 1802. Fraunhofer also developed a diffraction grating in 1821, after James Gregory discovered the phenomenon of diffraction grating and after...
    23 KB (2,499 words) - 09:47, 4 April 2025
  • Thumbnail for Fresnel diffraction
    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
  • Thumbnail for Diffraction
    theory of diffraction Electron diffraction Fraunhofer diffraction Fresnel imager Fresnel number Fresnel zone Point spread function Powder diffraction Quasioptics...
    52 KB (6,613 words) - 16:01, 28 April 2025
  • crater Fraunhofer Society (Fraunhofer-Gesellschaft), a large German research organization Fraunhofer diffraction, far-field diffraction Fraunhofer lines...
    432 bytes (84 words) - 08:15, 13 October 2019
  • 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
  • Thumbnail for Wavelength
    called diffraction. Two types of diffraction are distinguished, depending upon the separation between the source and the screen: Fraunhofer diffraction or...
    36 KB (4,299 words) - 07:54, 17 April 2025
  • Thumbnail for Electron diffraction
    Fresnel and Fraunhofer diffraction). Electron diffraction is similar to x-ray and neutron diffraction. However, unlike x-ray and neutron diffraction where the...
    141 KB (15,555 words) - 04:06, 25 March 2025
  • Thumbnail for Diffraction-limited system
    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...
    20 KB (2,648 words) - 04:15, 5 May 2025
  • Thumbnail for Superposition principle
    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
  • deviation over the face of the radiator. Fresnel number Fresnel diffraction and Fraunhofer diffraction Antenna measurement Eugene F. Knott, "Radar Cross Section"...
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  • Thumbnail for Double-slit experiment
    compared to the wavelength, the Fraunhofer diffraction equation is needed to determine the intensity of the diffracted light as follows: I ( θ ) ∝ cos...
    78 KB (8,687 words) - 12:36, 4 April 2025
  • Thumbnail for Laser diffraction analysis
    Laser diffraction analysis, also known as laser diffraction spectroscopy, is a technology that utilizes diffraction patterns of a laser beam passed through...
    19 KB (2,350 words) - 19:43, 8 December 2024
  • to give the equation for Fraunhofer diffraction. The fractional Fourier transform is equivalent to the Fresnel diffraction equation. When the angle α...
    27 KB (3,953 words) - 15:43, 20 April 2025
  • Thumbnail for Airy disk
    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) - 03:52, 26 April 2025
  • Thumbnail for Diffraction grating
    efficiency Diffraction from slits Diffraction spike Diffractive solar sail Echelle grating Fraunhofer diffraction Fraunhofer diffraction (mathematics)...
    49 KB (5,784 words) - 03:30, 9 March 2025
  • Thumbnail for Diffraction from slits
    of diffraction and the obstruction point increases, the diffraction patterns or results predicted converge towards those of Fraunhofer diffraction, which...
    19 KB (3,966 words) - 21:00, 11 April 2025
  • Thumbnail for Near and far field
    approaches the far field. Local effects Fraunhofer diffraction for more on the far field Fresnel diffraction for more on the near field Inductive heating...
    36 KB (5,203 words) - 19:06, 25 April 2025
  • Thumbnail for Optics
    complicated models of diffraction require working with the mathematics of Fresnel or Fraunhofer diffraction. X-ray diffraction makes use of the fact that...
    107 KB (12,886 words) - 21:46, 13 May 2025
  • produced by an ideal focusing system over the aperture A(x,y). Using Fraunhofer diffraction theory, one computes the wave amplitude using the Fourier transform...
    9 KB (1,201 words) - 12:01, 1 June 2024
  • transverse to the radial direction of propagation. In this case, a Fraunhofer diffraction pattern is created, which emanates from a single spherical wave...
    73 KB (12,531 words) - 15:38, 25 February 2025
  • Thumbnail for Gaussian beam
    is a fundamental characteristic of diffraction, and of the Fourier transform which describes Fraunhofer diffraction. A beam with any specified amplitude...
    47 KB (6,964 words) - 04:17, 12 May 2025
  • present in that sample. This diffraction pattern is then detected and analyzed by means of Mie and Fraunhofer  diffraction models. The outcome of the measurement...
    24 KB (3,059 words) - 07:43, 25 April 2025
  • principle. Fraunhofer diffraction Kirchhoff's diffraction formula Green's function Green's theorem Green's identities Near-field diffraction pattern Double-slit...
    23 KB (2,972 words) - 23:05, 6 May 2025
  • Thumbnail for Angular resolution
    doi:10.1073/pnas.0600808103. PMC 1458746. PMID 16549771. "Diffraction: Fraunhofer Diffraction at a Circular Aperture" (PDF). Melles Griot Optics Guide...
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  • Thumbnail for Bahtinov mask
    point source (such as a star) yields a diffraction pattern at the focal plane representing the Fraunhofer diffraction transform of the aperture shape. This...
    5 KB (526 words) - 18:27, 5 November 2024
  • Thumbnail for Pinhole camera
    1), the pinhole is small, and Fraunhofer diffraction applies; the resolution limit is given by the far-field diffraction formula shown in the graph, which...
    26 KB (3,105 words) - 16:55, 28 April 2025
  • the origin. The single-hole wave-function is taken to be that of Fraunhofer diffraction; the pinhole shape is irrelevant, and the pinholes are considered...
    13 KB (2,113 words) - 08:46, 11 May 2025
  • the Fraunhofer diffraction, Proc. Natl. Acad. Sci. 10: 133–139. Ehrenfest, P., Epstein, P.S. (1924/1927). Remarks on the quantum theory of diffraction, Proc...
    23 KB (2,926 words) - 12:03, 4 November 2024