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X-ray laser

Index X-ray laser

An X-ray laser is a device that uses stimulated emission to generate or amplify electromagnetic radiation in the near X-ray or extreme ultraviolet region of the spectrum, that is, usually on the order of several of tens of nanometers (nm) wavelength. [1]

37 relations: Active laser medium, Aluminium oxide, Amplified spontaneous emission, Angle of incidence (optics), Compton scattering, Doppler broadening, Electromagnetic radiation, Electronvolt, European X-ray free-electron laser, Free-electron laser, Gamma-ray laser, Gradient, High harmonic generation, Industrial computed tomography, Ionization, Light, Lorentz force, Materials science, Molecular electronic transition, Nanometre, Neon, Nickel, Phase-contrast microscopy, Picosecond, Pinch (plasma physics), Plasma (physics), Plasma acceleration, Project Excalibur, Quantum tunnelling, Refractive index, Saha ionization equation, Stimulated emission, Strategic Defense Initiative, Thomson scattering, Ultraviolet, Wavelength, X-ray.

Active laser medium

The active laser medium (also called gain medium or lasing medium) is the source of optical gain within a laser.

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Aluminium oxide

Aluminium oxide (British English) or aluminum oxide (American English) is a chemical compound of aluminium and oxygen with the chemical formula 23.

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Amplified spontaneous emission

Amplified spontaneous emission (ASE) or superluminescence is light, produced by spontaneous emission, that has been optically amplified by the process of stimulated emission in a gain medium.

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Angle of incidence (optics)

In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal.

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Compton scattering

Compton scattering, discovered by Arthur Holly Compton, is the scattering of a photon by a charged particle, usually an electron.

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Doppler broadening

In atomic physics, Doppler broadening is the broadening of spectral lines due to the Doppler effect caused by a distribution of velocities of atoms or molecules.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Electronvolt

In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).

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European X-ray free-electron laser

The European X-ray free-electron laser (European XFEL) is an X-ray research laser facility commissioned during 2017.

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Free-electron laser

A free-electron laser (FEL) is a kind of laser whose lasing medium consists of very-high-speed electrons moving freely through a magnetic structure, hence the term free electron.

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Gamma-ray laser

A gamma-ray laser, or graser, would produce coherent gamma rays, just as an ordinary laser produces coherent rays of visible light.

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Gradient

In mathematics, the gradient is a multi-variable generalization of the derivative.

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High harmonic generation

High harmonic generation (HHG) is a non-linear process during which a target (gas, plasma or solid sample) is illuminated by an intense laser pulse.

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Industrial computed tomography

Industrial computed tomography (CT) scanning is any computer-aided tomographic process, usually X-ray computed tomography, that uses irradiation to produce three-dimensional internal and external representations of a scanned object.

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Ionization

Ionization or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.

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Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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Lorentz force

In physics (particularly in electromagnetism) the Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields.

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Materials science

The interdisciplinary field of materials science, also commonly termed materials science and engineering is the design and discovery of new materials, particularly solids.

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Molecular electronic transition

Molecular electronic transitions take place when electrons in a molecule are excited from one energy level to a higher energy level.The energy change associated with this transition provides information on the structure of a molecule and determines many molecular properties such as color.

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Nanometre

The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).

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Neon

Neon is a chemical element with symbol Ne and atomic number 10.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Phase-contrast microscopy

Phase-contrast microscopy is an optical microscopy technique that converts phase shifts in light passing through a transparent specimen to brightness changes in the image.

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Picosecond

A picosecond is an SI unit of time equal to 10−12 or 1/1,000,000,000,000 (one trillionth) of a second.

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Pinch (plasma physics)

A pinch is the compression of an electrically conducting filament by magnetic forces.

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Plasma (physics)

Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.

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Plasma acceleration

Plasma acceleration is a technique for accelerating charged particles, such as electrons, positrons, and ions, using the electric field associated with electron plasma wave or other high-gradient plasma structures (like shock and sheath fields).

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Project Excalibur

Project Excalibur was a Lawrence Livermore National Laboratory (LLNL) research program to develop an X-ray laser as a ballistic missile defense (BMD).

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Quantum tunnelling

Quantum tunnelling or tunneling (see spelling differences) is the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically cannot surmount.

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Refractive index

In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how light propagates through that medium.

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Saha ionization equation

The Saha ionization equation, also known as the Saha–Langmuir equation, is an expression that relates the ionization state of a gas in thermal equilibrium to the temperature and pressure.

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Stimulated emission

Stimulated emission is the process by which an incoming photon of a specific frequency can interact with an excited atomic electron (or other excited molecular state), causing it to drop to a lower energy level.

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Strategic Defense Initiative

The Strategic Defense Initiative (SDI) was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (intercontinental ballistic missiles and submarine-launched ballistic missiles).

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Thomson scattering

Thomson scattering is the elastic scattering of electromagnetic radiation by a free charged particle, as described by classical electromagnetism.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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X-ray

X-rays make up X-radiation, a form of electromagnetic radiation.

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Redirects here:

X-ray lasers, Xaser.

References

[1] https://en.wikipedia.org/wiki/X-ray_laser

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