In optics, a diffraction grating is an optical grating with a periodic structure that diffracts light, or another type of electromagnetic radiation, into...
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(1638–1675) observed the diffraction patterns caused by a bird feather, which was effectively the first diffraction grating to be discovered. Thomas Young...
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An echelle grating (from French échelle, meaning "ladder") is a type of diffraction grating characterised by a relatively low groove density, but a groove...
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maximum grating efficiency in a given diffraction order. For this purpose, maximum optical power is concentrated in the desired diffraction order while...
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visual performs a Fourier analysis on retinal images. Grating can also refer to a diffraction grating: a reflecting or transparent optical component on which...
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phenomenon of optical dispersion in a prism, or that of diffraction using a diffraction grating, to spatially separate the colors of light. It usually...
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Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern...
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Bragg's law (redirect from Volume Bragg grating)
plane Crystal lattice Diffraction Distributed Bragg reflector Fiber Bragg grating Dynamical theory of diffraction Electron diffraction Georg Wulff Henderson...
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Ultrafast monochromator (section Diffraction grating)
second diffraction grating to compensate time delays introduced to the pulse by the first grating and other dispersive optical elements. Diffraction gratings...
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Double-slit experiment (redirect from Double-slit diffraction)
in gold foil. In 1999, a quantum interference experiment (using a diffraction grating, rather than two slits) was successfully performed with buckyball...
76 KB (8,532 words) - 22:29, 27 September 2024
Guided-mode resonance (section Grating coupler)
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...
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Free spectral range (section Diffraction gratings)
{\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...
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Space sunshade (section One diffraction grating)
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...
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Thin-film interference (redirect from Thin film diffraction)
thin film is typically not individual wavelengths as produced by a diffraction grating or prism, but rather are a mixture of various wavelengths. Therefore...
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An ultrasonic grating is a type of diffraction grating produced by the interference of ultrasonic waves in a medium, which alters the physical properties...
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interference is created by a range of photonic mechanisms, including diffraction gratings, selective mirrors, photonic crystals, crystal fibres, matrices of...
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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
In optics, a holographic grating is a type of diffraction grating formed by an interference-fringe field of two laser beams whose standing-wave pattern...
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sources. Similar diffraction patterns can be produced by related scattering techniques such as electron diffraction or neutron diffraction. If single crystals...
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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...
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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...
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spectrum, then the light goes through the sample to a dispersion array (diffraction grating instrument) and captured by a photodiode. For astronomical purposes...
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The grating light valve (GLV) is a "micro projection" technology that operates using a dynamically adjustable diffraction grating. It competes with other...
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the phase of the light is with a diffraction grating. For an l = 0 {\displaystyle l=0} state, the diffraction grating would consist of parallel lines....
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Dispersive prism (section Grisms (grating prisms))
generally disperse light over a much larger frequency bandwidth than diffraction gratings, making them useful for broad-spectrum spectroscopy. Furthermore...
13 KB (1,760 words) - 04:52, 21 July 2024
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...
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Multiple-prism grating laser oscillators, or MPG laser oscillators, use multiple-prism beam expansion to illuminate a diffraction grating mounted either...
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structured element or diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering), and the grating provides optical...
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Diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput. It's a measure...
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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