WebbRamsey-CPT sequences with directly-modulated lasers was demonstrated in Refs16,17, while the spectroscopy, clock operation and evidence of light-shift mitigation was reported with Ramsey-CPT in bu er-gas lled microfabricated vapor cells18,19. Nevertheless, Ramsey-CPT spectroscopy su ers from a residual sensitivity to light-shifts, experienced ... Webb26 okt. 2024 · We demonstrate our techniques using both simulations and experiments. In our experiments, we implemented high precision, time-resolved Ramsey spectroscopy, …
Light-shift mitigation in a microcell-based atomic clock with …
Webb22 nov. 2016 · Ramsey spectroscopy [] consists of two consecutive -pulses applied to an atomic ensemble initially in the ground state.In between the two pulses the atoms are subjected to a period of free time evolution for a time τ.After the second pulse the total population inversion of the atomic ensemble, which is proportional to the expectation … Webb16 feb. 2024 · a, Typical timing diagram for a Ramsey spectroscopy sequence, in which laser cooling, state preparation and camera imaging contribute to about 1.6 s dead time, with clock interrogation time ... physiotherapie korneuburg
Interrogation of optical Ramsey spectrum and stability study of an
Webb8 okt. 2024 · With the successful implementation of Ramsey spectroscopy and long interaction times, the setup presented promises to test Einstein’s gravity with … Webb1 juni 2024 · The applied method, based on the alternation of two successive Ramsey-CPT sequences with unequal free-evolution times and the subsequent management of two interconnected phase and frequency servo loops, is found to allow a relevant reduction of the clock-frequency sensitivity to laser-power variations. Webb28 nov. 2024 · The π/2 pulses in Ramsey spectroscopy are depicted by the orange (blue) square pulses for the Yb (Al +) clock. The grey-shaded regions represent the Ramsey free-evolution periods. The two... physiotherapie kronberg mettmann