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An atom laser is a device that projects a beam of atoms that have been cooled to a single quantum state. This is achieved by cooling atoms to near absolute zero, causing them to coalesce into a single quantum mechanical entity, known as a Bose-Einstein condensate (BEC).12

In a conventional laser, atoms or molecules are energized to emit light of specific wavelengths, which is then amplified into a concentrated beam. Similarly, an atom laser produces a coherent beam of atoms that can be focused with high intensity. This technology is still in its early stages but holds potential for applications in fabricating microelectronic and nanoscale devices.324

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