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Excited State

Atom with an electron in a higher energy level than it normally occupies.

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excited state
Engineering; Electronic engineering

In artificial transmutation, the state of the nucleus when protons of less-than-maximum energy have been emitted from the atom. The energy of the protons, in this instance, is ...

excited state
Weather; Meteorology

Configurations of an atom or molecule that contain more energy than the ground state. Excited electronic or vibrational states usually occur following the absorption of radiation ...

excited state
Science; General science

In quantum mechanics, a stationary state of higher energy than the lowest stationary state or ground state of a particle or a system of particles. Customarily, only bound ...

excited state
Chemistry; General chemistry

An atom or molecule which has absorbed energy is said to be in an excited state. Excited states tend to have short lifetimes; they lose energy either through collisions or by ...

excited state
Physics; Nuclear & particle physics

The state of an atom or nucleus when it possesses more than its normal energy. The excess energy is usually released eventually as a gamma ray.

Absorb
Industrial machinery; Laser equipment

To transform radiant energy into a different form accompanied by a rise in temperature.

Absorption Coefficient
Industrial machinery; Laser equipment

Factor describing light's ability to be absorbed per unit of path length.

Accessible Emission
Industrial machinery; Laser equipment

The magnitude of accessible laser (or other collateral) radiation of a specific wavelength or emission duration at a particular point as measured by appropriate methods and ...

Accessible Emission Limit
Industrial machinery; Laser equipment

The maximum accessible emission level limit (AEL) permitted within a particular class. In ANSI Z-136.1, AEL is determined as the product of Accessible Emission times the Maximum ...

Active Medium
Industrial machinery; Laser equipment

Collection of atoms or molecules capable of undergoing stimulated emission at a given wavelength.

Afocal
Industrial machinery; Laser equipment

Literally, "without a focal length"; an optical system with its object and image point at infinity.

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