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Doppler shift

المؤلف:  Will Raven

المصدر:  Atomic Physics for Everyone

الجزء والصفحة:  p-70

2026-11-15

51

 Doppler shift: The shift in the frequency of a laser seen by an atom due to
the Doppler effect.
• : The velocity component of an atom in the direction of the laser beam.
 is negative if the atom is traveling towards the laser and positive if it is
traveling away from the laser.