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Measurement of gravitational acceleration in a single laser operated atomic fountain

Published 7 May 2024 in physics.atom-ph and quant-ph | (2405.04223v1)

Abstract: We present measurements on Earth's gravitational acceleration (g) using an in-house developed cold atom gravimeter (CAG) in an atomic fountain geometry. In the setup, the laser cooled ${87}Rb$ atoms are launched vertically up in the fountain geometry and Doppler sensitive two-photon Raman pulse atom interferometry is applied to detect the gravitational acceleration experienced by the atoms. Using our gravimeter setup, we have measured the local value of 'g' in our laboratory with sensitivity of 621 $\mu$Gal for integration time of 1350 s.

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