• Thumbnail for Diffraction grating
    In optics, a diffraction grating is an optical grating with a periodic structure that diffracts light, or another type of electromagnetic radiation, into...
    49 KB (5,810 words) - 22:06, 25 July 2024
  • Thumbnail for Diffraction
    (1638–1675) observed the diffraction patterns caused by a bird feather, which was effectively the first diffraction grating to be discovered. Thomas Young...
    49 KB (6,329 words) - 23:44, 21 July 2024
  • maximum grating efficiency in a given diffraction order. For this purpose, maximum optical power is concentrated in the desired diffraction order while...
    5 KB (683 words) - 19:39, 5 April 2024
  • Thumbnail for Echelle grating
    An echelle grating (from French échelle, meaning "ladder") is a type of diffraction grating characterised by a relatively low groove density, but a groove...
    5 KB (569 words) - 11:48, 10 March 2024
  • visual performs a Fourier analysis on retinal images. Grating can also refer to a diffraction grating: a reflecting or transparent optical component on which...
    7 KB (801 words) - 03:54, 1 April 2024
  • Thumbnail for Monochromator
    phenomenon of optical dispersion in a prism, or that of diffraction using a diffraction grating, to spatially separate the colors of light. It usually...
    20 KB (2,656 words) - 14:47, 20 May 2024
  • 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 (3,521 words) - 09:04, 22 February 2024
  • plane Crystal lattice Diffraction Distributed Bragg reflector Fiber Bragg grating Dynamical theory of diffraction Electron diffraction Georg Wulff Henderson...
    22 KB (2,604 words) - 18:34, 15 July 2024
  • second diffraction grating to compensate time delays introduced to the pulse by the first grating and other dispersive optical elements. Diffraction gratings...
    3 KB (386 words) - 06:31, 9 March 2023
  • Thumbnail for Double-slit experiment
    in gold foil. In 1999, a quantum interference experiment (using a diffraction grating, rather than two slits) was successfully performed with buckyball...
    76 KB (8,533 words) - 16:26, 2 August 2024
  • large diffraction grating (thin wire mesh) in space, perhaps at the L1 point between the Earth and the Sun. A proposal for a 3,000 ton diffraction mesh...
    18 KB (2,092 words) - 09:06, 19 June 2024
  • An ultrasonic grating is a type of diffraction grating produced by the interference of ultrasonic waves in a medium, which alters the physical properties...
    5 KB (717 words) - 20:01, 25 March 2024
  • {\displaystyle l} is the length of the cavity. The free spectral range of a diffraction grating is the largest wavelength range for a given order that does not overlap...
    6 KB (983 words) - 00:12, 13 May 2024
  • extracted by the introduction of a phase-matching element, such as a diffraction grating or prism. Such guided modes are also called "leaky modes", as they...
    3 KB (422 words) - 09:31, 27 March 2024
  • Diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput. It's a measure...
    2 KB (213 words) - 13:03, 23 October 2022
  • Thumbnail for Fiber Bragg grating
    Dielectric mirror Diffraction Diffraction grating Distributed temperature sensing by fiber optics Hydrogen sensor Long-period fiber grating PHOSFOS project...
    41 KB (5,656 words) - 02:39, 14 December 2023
  • Thumbnail for Structural coloration
    interference is created by a range of photonic mechanisms, including diffraction gratings, selective mirrors, photonic crystals, crystal fibres, matrices of...
    42 KB (4,594 words) - 16:12, 16 August 2024
  • induced grating (EIG) is an optical interference phenomenon where an interference pattern is used to build a dynamic spatial diffraction grating in matter...
    6 KB (699 words) - 12:30, 23 October 2022
  • Thumbnail for Talbot effect
    Talbot effect (category Diffraction)
    effect is a diffraction effect first observed in 1836 by Henry Fox Talbot. When a plane wave is incident upon a periodic diffraction grating, the image...
    13 KB (1,570 words) - 07:23, 14 August 2024
  • The grating light valve (GLV) is a "micro projection" technology that operates using a dynamically adjustable diffraction grating. It competes with other...
    10 KB (1,069 words) - 04:31, 12 May 2024
  • Thumbnail for X-ray diffraction
    sources. Similar diffraction patterns can be produced by related scattering techniques such as electron diffraction or neutron diffraction. If single crystals...
    32 KB (4,200 words) - 23:52, 2 June 2024
  • Thumbnail for Thin-film interference
    thin film is typically not individual wavelengths as produced by a diffraction grating or prism, but rather are a mixture of various wavelengths. Therefore...
    22 KB (3,238 words) - 02:56, 19 August 2024
  • Thumbnail for Multiple-prism grating laser oscillator
    Multiple-prism grating laser oscillators, or MPG laser oscillators, use multiple-prism beam expansion to illuminate a diffraction grating mounted either...
    7 KB (882 words) - 05:16, 15 October 2022
  • Thumbnail for Spectroscopy
    spectrum, then the light goes through the sample to a dispersion array (diffraction grating instrument) and captured by a photodiode. For astronomical purposes...
    42 KB (4,624 words) - 22:51, 11 August 2024
  • structured element or diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering), and the grating provides optical...
    9 KB (1,390 words) - 15:46, 8 January 2024
  • Thumbnail for Dye laser
    triplet absorption and to decrease degradation of the dye. A prism or diffraction grating is usually mounted in the beam path, to allow tuning of the beam...
    25 KB (3,165 words) - 22:26, 3 November 2023
  • 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 (5,998 words) - 12:47, 8 August 2024
  • Thumbnail for Ronchi ruling
    A Ronchi ruling, Ronchi grating, or Ronchi mask, named after the Italian physicist Vasco Ronchi, is a constant-interval bar and space square-wave optical...
    3 KB (329 words) - 23:30, 23 July 2022
  • diffraction and analyzer gratings line up, while at other incident angles light passed by the diffraction grating is blocked by the analyzer grating....
    3 KB (366 words) - 07:02, 18 October 2020
  • Thumbnail for Diffraction spike
    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 (1,181 words) - 11:45, 18 February 2024