Cold Atom Navigation Sensors - Stanford Center for Position ...

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Laboratory gravity gradiometer (2002) Atoms Atoms Distinguish gravity induced accelerations from those due to platform motion with differential acceleration measurements. 1.4 m σy(τ) ) 10 -1 10 -2 10 -3 10 2 10 3 10 4 τ(s) Demonstrated differential acceleration sensitivity: 4x10 -9 g/Hz 1/2 (2 8x10-9 g/Hz1/2 (2.8x10 g/Hz per / per accelerometer) (McGuirk, et al., PRA, 2002)
Measurement of Newton’s Constant Yale, 2002 (Fixler PhD thesis) Pb mass translated vertically along gradient measurement axis.
Page 1 and 2: Cold Atom Navigation Sensors Atom I
Page 3 and 4: Next generation integrated INS/GPS
Page 5 and 6: Physics of space-time • GP-B - gr
Page 7 and 8: de Broglie wave sensors Gravity/Acc
Page 9 and 10: Enabling Science: Laser Cooling Las
Page 11 and 12: Light-puse AI accelerometer charact
Page 13: Gravity gradiometry and high accura
Page 17 and 18: New instrument (2007) Currently ach
Page 19 and 20: Navigation performance Determine ge
Page 21 and 22: Optimal Bayesian Phase Estimation v
Page 23 and 24: CCo-falling f lli 85 85Rb Rb and d
Page 25 and 26: Space-based detectors (blue and red
Page 27 and 28: Future technology: Quantum Metrolog
Page 29: Thanks Current team: - Boris Dubets

Cold Atom Navigation Sensors - Stanford Center for Position ...

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