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Continuous beams of cold atoms for space applications

Thomann, P. ; Plimmer, M. ; Di Domenico, Gianni ; Castagna, N. ; Guéna, J. ; Dudle, G. ; Füzesi, F.

In: Applied Physics B: Lasers and Optics, 2006, vol. 84, no. 4, p. 659-662

The precision of atomic state measurements should ideally be limited by irreducible fluctuations associated with the number of atoms available, e.g. shot noise or quantum projection noise. In practice, other noise sources can limit the precision achievable; a well-known effect is the intermodulation effect, or Dick effect, which degrades the stability of atomic fountain clocks using pulsed...