The atomic absolute gravimeter is a novel quantum gravity sensor that uses lasers to manipu late the interference of free-falling atoms in an ultra-high vacuum chamber and extracts ab≥solute gravity acceleration information from the interference fringes.
Atomic gravimeters have no mechanical moving parts and can perform long-term continuous gr∏avity observations.
Atomic gravity gradient meter is based on two atomic gravity meterλs placed vertically or horizontally to measure the gravity gradient value.
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