Cold Atom Navigation Sensors - Stanford Center for Position ...
Cold Atom Navigation Sensors - Stanford Center for Position ...
Cold Atom Navigation Sensors - Stanford Center for Position ...
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Laboratory gravity gradiometer (2002)<br />
<strong>Atom</strong>s<br />
<strong>Atom</strong>s<br />
Distinguish gravity induced<br />
accelerations from those due to<br />
plat<strong>for</strong>m motion with differential<br />
acceleration measurements.<br />
1.4 m<br />
σy(τ) )<br />
10 -1<br />
10 -2<br />
10 -3<br />
10 2 10 3 10 4<br />
τ(s)<br />
Demonstrated differential<br />
acceleration sensitivity:<br />
4x10 -9 g/Hz 1/2<br />
(2 8x10-9 g/Hz1/2 (2.8x10 g/Hz per / per<br />
accelerometer)<br />
(McGuirk, et al., PRA, 2002)
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