optical pumping

optical pumping
Physics, Optics.
a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
[1950-55]

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optical pumping noun (physics)
The act of stimulating a population inversion for a particular energy transition in a laser using an external light source of suitable frequency
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Main Entry:optic

Useful english dictionary. 2012.

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