Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
Stanford PNT hollberg Nov07 b - Stanford Center for Position ...
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Short-term stability: 4×10 -11 @ 1 sec<br />
S. Knappe, et al., Opt. Express 13, 1249-<br />
1253 (2005).<br />
Relative Frequency<br />
(10 -9<br />
)<br />
4<br />
2<br />
0<br />
-2<br />
-4<br />
CSAC Frequency Stability<br />
1 mm<br />
20000 30000 40000 50000<br />
Time (sec)<br />
Longer-term stability: 1×10 -11 @ 1 hr<br />
S. Knappe, et al. Opt. Lett. 30, 2351-2353<br />
(2005).<br />
Allen Deviation, !f/f<br />
10 -9<br />
10 -10<br />
10 -11<br />
10 -12<br />
Drift<br />
Cs CSAC: -2 x 10 -8 /day<br />
87 Rb Cell:
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