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 (frā-nĕl′), Augustin Jean 1788-1827.
French physicist who supported the wave theory of light, investigated polarized light, and developed a compound lens for use in lighthouses.


(French frɛnɛl)
(Biography) Augustin Jean (oɡystɛ̃ ʒɑ̃). 1788–1827, French physicist: worked on the interference of light, contributing to the wave theory of light


(ˈfreɪnɛl; French frɛnɛl)
(Units) a unit of frequency equivalent to 1012 hertz
[C20: named after Augustin Jean Fresnel (1788–1827), French physicist]


(frəˈnɛl, freɪ-)

a unit of frequency equal to 1012 cycles per second.
[1935–40; after Augustin Jean Fresnel (1788–1827), French physicist]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Fresnel - French physicist who invented polarized light and invented the Fresnel lens (1788-1827)
References in periodicals archive ?
Address : Zac La Plaine De La Ronce, 240 Rue Augustin Fresnel, Cs 20931 76237 Isneauville Cedex
The Magnum hologram incorporates a range of features, including full visible dynamic effects, emboss effects producing depth, kinetic effects, a Fresnel effect, 2D/3D effects, 3D text, a gradient effect, animated flower and text, a pure 3D globe model, micro text reading 'ORIGINAL', a 'dead' colour effect (grey), guilloche, a pearl effect incorporating text, and an animated covert laser readable effect.
Besides capitalising on these panels, Litepanels has also launched the daylight-balanced Sola 4+ LED Fresnel, which offers a greater-than-120% increase in output; and the new Sola 6+, which, compared to its predecessor, offers an incredible 50% increase in output.
Among their topics are the design of diffractive optical elements, the analysis of diffractive optical elements in the Fresnel diffraction regimes, computer-generated holographic optical elements, and the fabrication of diffractive optical elements.
Product Design & Development spoke to Dan Spinella of Artworks-Florida, who helped recreate the intricate Fresnel lenses, about putting together this piece of history.
In this work, we present the evaluation of the limits of validity of the numerical propagation methods through the reproduction of the results predicted in numerical experiments of diffraction by the fundamentals concepts of optics Babinet's principle and the number of Fresnel zones.
Fresnel has more than 20 years of professional experience from the hotel, restaurant and higher education sectors.
Brighter than a 400-watt HMI Fresnel, the F8-200 LED Fresnel can be powered by AC or dual battery configuration.
The sunlight and thermal energy collection method adopted in MHPS's CSP system is a proprietary hybrid system combining a low-temperature Fresnel evaporator which collects sunlight while changing the angles of multiple mirror surfaces arranged on a plane, and a tower-type superheater which collects sunlight by heliostats.
The Mew Island apparatus, a rare hyper-radial Fresnel lens, will become the latest attraction in the historic district.
Alsolen, a French manufacturer of solar power plants, will exhibit its thermodynamic power plant using Fresnel mirror technology at the upcoming World Future Energy Summit (WFES) trade show in Abu Dhabi.