LASER ARCHITECTURE FOR COMPONENT EFFICIENT ATOMIC INTERFEROMETER GRAVIMETER
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Oct 4, 2024
filing date -
Oct 4, 2024
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Abstract
A system for atom interferometry includes one laser configured to generate an output beam; an acousto-optic deflector disposed to generate two diffracted beams that are spatially offset with identical polarizations; and a birefringent crystal disposed to receive the two diffracted beams, where one of the two diffracted beams is passed through a half wave plate so that the two diffracted beams have orthogonal polarizations, where the birefringent crystal further disposed and selected in size to enable the two diffracted beams to re-overlap upon exiting the birefringent crystal by having one of the two diffracted beams walk toward the other of the two diffracted beams in the birefringent crystal, where the two diffracted beams have minimal path length differences so that the two diffracted beams are useable for interferometry.
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