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atomic frequency

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atomic frequency [ə¦täm·ik ′frē·kwən·sē]
(solid-state physics)
One of the vibrational frequencies of an atom in a crystal lattice.


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If the RF oscillator is phase-locked to an atomic frequency standard, the comb will form an accurate frequency ruler covering the entire near infrared region from 1100 nm to 2200 nm.
PerkinElmer's RAFS was developed specifically for space-borne navigation applications where high stability and extremely reliable atomic frequency standards are needed.
The average pitch obtained by the process, nominally half the laser wavelength, is simply traceable with small uncertainty to an atomic frequency and hence can be known with very high accuracy.
 
 
 
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