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IEEE/ION Position Location and Navigation Symposium

Atom interferometer inertial force sensors

Dallin Durfee, J. B. Fixler, G. T. Foster, T. L. Gustavson, Arnaud Landragin, J. M. McGuirk, Mark A. Kasevich

Published Nov 7, 2002• 5 citations
Publisher

Abstract

We report on the progress in the development of high sensitivity and accuracy inertial force sensors which are based on atom interference techniques.
DOI
10.1109/plans.2000.838330

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•Jan 1, 2002•0 citations
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Recent laboratory experiments have demonstrated atom interference-based inertial force sensors operating at sensitivities near or exceeding the state-of-the-art [2x10-10 rad/sec/Hz1/2 (gyroscope), 10-9 g/Hz1/2 (accelerometer), and 10 E/Hz1/2 (gravity gradient, 1 E = 10-9 sec-2)]. Drawing on this recent experience, we seek to develop gravity gradient sensors which will provide unprecedented capabilities for navigation and geodesy applications. Our technical approach does not rely on cryogenic techniques, and should yield an instrument capable of operating on a broad array of platforms (eg. satellite, space station, plane, etc.). In the long run, we expect these instruments to be economical and robust The demonstration of Bose-Einstein condensation in dilute atomic vapors raises the prospect of a new class of de Broglie wave interferometric sensors. We have recently demonstrated a proof-of-principle accelerometer concept which exploits the novel coherence properties of Bose-Einstein condensed atomic sources.