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A laser system for a light-pulse atom interferometer typically includes a number of laser sources for cooling and for atom optics to meet different frequency detuning requirements at different stages of a measurement sequence. The number of laser units required makes the achievable minimum size and power of the instrument challenging, especially for space applications. We demonstrate a compact cesium...
An atom interferometer-based gravity gradiometer is being developed for subsurface mapping and geodesy, and fundamental physics investigations from space. We report on this design effort along with the details of the current laboratory-based instrument.
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