atomic beam

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For the artifact discussed here, the Cr atomic beam was mechanically collimated with a 0.

Accuracy of nanoscale pitch standards fabricated by laser-focused atomic deposition

This represents a first demonstration of a significant step forward in atomic beam lithography.

Holograms serve as guiding light for atoms

The Molecular Physics Laboratory (MPL), one of SRI's longest-running groups, began in 1956 with experimental and theoretical research in atomic beam collisions and chemical reaction mechanisms.

SRI International Celebrates 50 Years of Molecular Physics Discoveries

Because of the velocity spread in the atomic beam, this separation is not perfect, so some atoms in other [m.

Primary atomic frequency standards at NIST

More recently, a second team has observed lasing without inversion in a sodium atomic beam.

Lasing turned upside down

In other words, the atomic beam acts as a kind of cleaning agent.

Counting photons in a cleaned-up crystal

In one such device, a calcium atomic beam is divided into four wave paths by two laser beams perpendicular to the atoms.

Riding the atomic waves: with the magic of quantum mechanics, an atom goes two ways at once

Ramsey's approach of imposing two separate, oscillating electromagnetic fields on an atomic beam to induce energy-level transitions formed the basis for the cesium atomic clock, which sets the present time standard.

Physics Nobel: traps, clocks, quantum leaps

Grisham is a world leader in the development of high-power atomic beams based on the production of the unusual negatively charged hydrogen ion.

Grishman, McCune, Reiman honored by Princeton

They also suggest ways of constructing such gates out of quantum dots, atomic beams, or trapped ions interacting with laser beams.

Defining quantum computer bits and pieces

Metcalf predicts this method wil not only improve the quality of experiments involving atomic beams, atomic fountains (SN: 8/19/89, p.

Laser spotlight pinpoints atoms in motion

This should yield an effect about 1,000 times larger, but experimentalists have not yet devised a way to produce atomic beams with the right characteristics for such an experiment.

Quantum interference: neutrons feel the effect of an electric field that apparently exerts no force

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