atomic-beam frequency standard

atomic-beam frequency standard

[ə′täm·ik ‚bēm ′frē·kwən·sē ‚stan·dərd]
(physics)
A source of precisely timed signals which are derived from an atomic-beam resonance, such as a cesium-beam cell or a hydrogen maser.
References in periodicals archive ?
Drullinger, Microwave leakage as a source of frequency error and long-term instability in cesium atomic-beam frequency standards, Proc.