Sentences with phrase «electron laser in»

CrystFEL is a suite of programs for processing Bragg diffraction data acquired with a free electron laser in a «serial» manner.

A team working at the SACLA X-ray Free - Electron Laser in Japan has succeeded in generating ultra-bright, two - color X-ray laser pulses, for the first time in the hard X-ray region.

In the study published in Nature Physics, they were able to carefully follow, one x-ray at a time, the decay of nuclei in a perfect crystal after excitation with a flash of x-rays from the world's strongest pulsed source, the SACLA x-ray free electron laser in Harima, Japan.

Not exact matches

At Oakley, Jannard had thrown himself into the creative engineering process, enlisting technologies such as liquid laser prototyping and electron - beam gun - vapor deposition in his quest to make state - of - the - art sunglasses.

These machines use lasers — or, in some cases, high - power electron beams — to draw shapes in a layer of metal powder by melting the material.

Energetic electrons driven in the polarization direction of an intense laser beam incident normal to a solid target

Generation of Superponderomotive Electrons in Multipicosecond Interactions of Kilojoule Laser Beams with Solid - Density Plasmas

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In recognition of his research contributions, he has been named a Fellow of the American Physical Society and was awarded the 2007 International Free - electron Laser Prize.

Deflection of MeV Electrons by Self - Generated Magnetic Fields in Intense Laser - Solid Interactions

Characterization of the fast electrons distribution produced in a high intensity laser target interaction

Coupling of laser energy into hot - electrons in high - contrast relativistic laser - plasma interactions

Simulation of laser - plasma interactions and fast - electron transport in inhomogeneous plasma

Studies on the transport of high intensity laser - generated hot electrons in cone coupled wire targets

Laser - driven cylindrical compression of targets for fast electron transport study in warm and dense plasmas

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When an intense laser pulse strikes a plasma of electrons and positive ions, it shoves the lighter electrons forward, separating the charges and creating a secondary electric field that pulls the ions along behind the light like water in the wake of a speedboat.

Invented in 1960, lasers use an external «pump,» such as a flash lamp, to excite electrons within the atoms of a lasing material — usually a gas, crystal, or semiconductor.

When driven with electrical current, electrons and positively charged holes become confined in the dots and recombine to emit light — a property that can be exploited to make lasers.

PHOTON PAIRS Laser light in water (shown) exhibits an unexpected quirk: Light particles interact with their companions in the same way electrons pair up in superconductors.

A NEW kind of laser that powers up by freezing light in its tracks could lead to computers that run on photons, instead of electrons.

A new free electron laser facility will probe aerosols in smog.

Calley Eads, a fifth - year doctoral student in the UA's Department of Chemistry and Biochemistry, aligns a laser system used to track electrons on time - scales at the limits of what can be measured.

Ideally, the electron gains so much energy in the laser field that upon impact with the atom, a much shorter flash of light with very high energy is emitted — an attosecond laser pulse, with a frequency in the ultraviolet - or x-ray regime.

«The data are highly relevant to studies using free - electron lasers, because they show in detail what happens when radiation damage is produced.»

A third laser then excited the electrons in these trapped ions.

Another proposed method would use a high - power infrared laser to both strip electrons and break down the air, but the method requires the detector be located in the opposite direction of the laser, which would make it impractical to create a single, mobile device.

Observing this ultra-fast dynamic process is highly significant to the analysis of complex molecules in so - called X-ray free - electron lasers (XFEL) such as the LCLS in California and the European XFEL, which is now going into service on the outskirts of Hamburg.

Trapped in the laser, the electron would be forced to pass back and forth in front of its nucleus, and would thus be exposed to the electric field of both the laser and the nucleus.

The more intense a laser is, the easier should it be to ionise the atom — in other words, to tear the electrons away from the attracting electric field of their nucleus and free them into space.

«The electron does naturally oscillate in the field of the laser, but if the laser intensity changes these oscillations also change, and this forces the electron to constantly change its energy level and thus its state, even leaving the atom.

«By applying an intensity of 100 trillion watts per cm2, we were able to go beyond the Death Valley threshold and trap the electron near its parent atom in a cycle of regular oscillations within the electric field of the laser,» Jean - Pierre Wolf says enthusiastically.

Once the proteins have been carefully extracted, the team excites them with a laser and records changes in the electron configuration of their molecules.

«We thus wanted to know if, after the electrons are freed from their atoms, it is still possible to trap them in the laser and force them to stay near the nucleus, as the hypothesis of Walter Henneberger suggests,» he adds.

In 2003, results from the Laser Electron Photon experiment at the SPring - 8 facility in Hyogo, Japan, hinted at the existence of a pentaquark, but that was ruled out two years lateIn 2003, results from the Laser Electron Photon experiment at the SPring - 8 facility in Hyogo, Japan, hinted at the existence of a pentaquark, but that was ruled out two years latein Hyogo, Japan, hinted at the existence of a pentaquark, but that was ruled out two years later.

The research team headed by Prof. Jochen Küpper of the Hamburg Center for Free - Electron Laser Science (CFEL) choreographed a kind of molecular ballet in the X-ray beam.

A quick flash of laser light aimed at the well generates pairs of electrons and positively charged «holes» in the middle layer.

The trick is to use a high - powered laser pulse to create waves in a plasma, which electrons can ride like surfers.

Arefiev co-authored the study, «Enhanced multi-MeV photon emission by a laser - driven electron beam in a self - generated magnetic field,» published May 2016 in the journal Physical Review Letters.

Marina Radulaski, a postdoctoral fellow in Vuckovic's lab, said the problem - solving potential of quantum computers stems from the complexity of the laser - electron interactions at the core of the concept.

In a recent paper in Nature Physics, Kevin Fischer, a graduate student in the Vuckovic lab, describes how the laser - electron processes can be exploited within such a quantum dot to control the input and output of lighIn a recent paper in Nature Physics, Kevin Fischer, a graduate student in the Vuckovic lab, describes how the laser - electron processes can be exploited within such a quantum dot to control the input and output of lighin Nature Physics, Kevin Fischer, a graduate student in the Vuckovic lab, describes how the laser - electron processes can be exploited within such a quantum dot to control the input and output of lighin the Vuckovic lab, describes how the laser - electron processes can be exploited within such a quantum dot to control the input and output of light.

«But when the laser hits the electron in a quantum system, it creates many possible spin states, and that greater range of possibilities forms the basis for more complex computing.»

A laser - powered device just centimetres long can boost electrons to energies previously seen only in giant smashers.

Because a laser works by forcing electrons to jump between energy states, better confinement translates to a more efficient laser — one that fits in your living room instead of a physics lab.

If we have a laser with the right wavelength, the electrons will oscillate and a strong magnetic field will form in the gap area.

They then exposed the evolving quantum system to a third laser beam to try and excite the atoms into what is known as a Rydberg state — a state in which one of an atom's electrons is excited to a very high energy compared with the rest of the atom's electrons.

Physics and chemistry professor Ahmed Zewail and his colleagues at the California Institute of Technology married two previously independent lines of research: femtochemistry, in which pairs of brief laser pulses initiate and monitor a chemical reaction, and electron diffraction, in which a molecule's structure is determined from the scatter of electrons fired at a crystal containing billions of copies of that molecule.

Dawson is an expert on the interactions of lasers with plasma, the high - energy state of matter in which electrons are no longer bound in atoms, but move around independently of the positive ions they leave behind.

But if tunneling took time, the laser's direction would have rotated by the time the electron escaped, so the particle would be pushed in a different direction.

Where a traditional accelerator can take kilometers to drive an electron to 50 giga - electron volts (GeV), Leemans and team showed that a mini-laser plasma accelerator could get electrons to 1 GeV in just three centimeters with a laser pulse of about 40 terawatt.