PILOTING METHOD OF A LASER SYSTEM OF AN ABSOLUTE GRAVIMETRIC MEASUREMENT DEVICE BY ATOMIC INTERFEROMETRY FOR GEOPHYSICAL APPLICATIONS PARTICULARLY FOR MONITORING HYDROCARBON RESERVOIRS
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Dec 21, 2011
filing date -
Dec 29, 2010
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Abandoned
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Abstract
A piloting method of a laser system of an absolute gravimetric measurement device by atomic interferometry particularly suitable for on-site applications and advantageously usable in the geophysical field, including: generating cooling, entrapment, manipulation, thrust, and detection bands of a plurality of atoms; cooling the plurality of atoms; entrapping the plurality of cooled atoms in a three-dimensional magneto-optical trap; releasing the plurality of atoms in free fall in an ultra-vacuum system; performing an interferometric sequence; performing a detection; wherein the releasing includes quenching the three-dimensional magneto-optical trap through the contemporaneous extinction of the bands for producing a three-dimensional magneto-optical trap and a trap magnetic field.
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