A Fresnel lens (/ˈfreɪnɛl, -nəl/ FRAY-nel, -⁠nəl; /ˈfrɛnɛl, -əl/ FREN-el, -⁠əl; or /freɪˈnɛl/ fray-NEL) is a type of composite compact lens which reduces...

Augustin-Jean Fresnel (10 May 1788 – 14 July 1827) was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance...

The Fresnel equations (or Fresnel coefficients) describe the reflection and transmission of light (or electromagnetic radiation in general) when incident...

The Huygens–Fresnel principle (named after Dutch physicist Christiaan Huygens and French physicist Augustin-Jean Fresnel) states that every point on a...

The Fresnel integrals S(x) and C(x) are two transcendental functions named after Augustin-Jean Fresnel that are used in optics and are closely related...

In optics, the Fresnel diffraction equation for near-field diffraction is an approximation of the Kirchhoff–Fresnel diffraction that can be applied to...

A Fresnel zone (English: /freɪˈnɛl/ fray-NEL), named after physicist Augustin-Jean Fresnel, is one of a series of confocal prolate ellipsoidal regions...

Augustin-Jean Fresnel (1788–1827) was a physicist. Fresnel may also refer to: Fresnel (frequency), a formerly used unit equal to one terahertz Rimae Fresnel, an...

A Fresnel imager is a proposed ultra-lightweight design for a space telescope that uses a Fresnel array as primary optics instead of a typical lens. It...

A Fresnel rhomb is an optical prism that introduces a 90° phase difference between two perpendicular components of polarization, by means of two total...

Rimae Fresnel is a 90km-long arcuate escarpment on the Moon at 28°00′N 4°00′E / 28.0°N 4.0°E / 28.0; 4.0. Both the escarpment and the nearby Promontorium...

Based on analysis by French physicist Augustin-Jean Fresnel, they are sometimes called Fresnel zone plates in his honor. The zone plate's focusing ability...

A Fresnel lantern (pronounced frəˈnɛl or fruh-nel) is a common lantern used in theatre that employs a Fresnel lens to wash light over an area of the stage...

Fresnel Institute The Fresnel Institute (French: Institut Fresnel) is a research laboratory dedicated to optics and photonics located in Marseille, France...

Kirchhoff's diffraction formula (also called Fresnel–Kirchhoff diffraction formula) approximates light intensity and phase in optical diffraction: light...

particular scalar diffraction theory, the Fresnel number (F), named after the physicist Augustin-Jean Fresnel, is a dimensionless number relating to the...

Hyper-radial or hyperradiant Fresnel lenses are Fresnel lenses used in lighthouses. They are larger than "first-order" lenses, having a focal length (radius)...

in the choice of light sources, mountings, reflector design, the use of Fresnel lenses, and in rotation and shuttering systems providing lighthouses with...

28°38′N 4°45′E / 28.63°N 4.75°E / 28.63; 4.75 Promontorium Fresnel (Latin for "Cape Fresnel") is a headland on the near side of the Moon. It is located...

Fulgence Fresnel (/ˈfreɪn-, ˈfrɛn.ɛl, -əl/ FRAYN-, FREN-el, -⁠əl or /freɪˈnɛl/ fray-NEL; French: [fylʒɑ̃s fʁɛnɛl]; (15 April 1795 – 30 November 1855)...

spot, Poisson spot, or Fresnel spot is a bright point that appears at the center of a circular object's shadow due to Fresnel diffraction. This spot played...

The Fresnel–Arago laws are three laws which summarise some of the more important properties of interference between light of different states of polarization...

curve is also referred to as a clothoid or Cornu spiral. The behavior of Fresnel integrals can be illustrated by an Euler spiral, a connection first made...

A fresnel is a unit of frequency equal to 1012 s−1. It was occasionally used in the field of spectroscopy, but its use has been superseded by terahertz...

Augustin-Jean Fresnel, in 1823, added to the evidence in favor of the wave theory of light. The phase shifts are used by Fresnel's invention, the Fresnel rhomb...

or its shape. There are several types of Fresnel zone antennas, namely, Fresnel zone plate, offset Fresnel zone plate antennas, phase correcting reflective...

measurable by instruments at rest on Earth's surface. In 1818, Augustin-Jean Fresnel proposed that the aether is partially entrained by matter. In 1845, George...

compact linear Fresnel reflector (CLFR) – also referred to as a concentrating linear Fresnel reflector – is a specific type of linear Fresnel reflector (LFR)...

borne the name Fresnel: French submarine Fresnel (1908), a Pluviôse-class submarine launched in 1908 and sunk in 1915 French submarine Fresnel (1929), a Redoutable-class...

In mathematics, Fresnel's wave surface, found by Augustin-Jean Fresnel in 1822, is a quartic surface describing the propagation of light in an optically...