Compact Cold-Atom Clock for Onboard Timebase: Tests in Reduced Gravity

Abstract : We present a compact atomic clock using cold rubidium atoms based on an isotropic light cooling, a Ramsey microwave interrogation, and an absorption detection. Its technology readiness level is suitable for industrial transfer. We use a fiber optical bench, based on a frequency-doubled telecom laser. The isotropic light cooling technique allows us to cool down the atoms in 100 ms and works with a cycle time of around 200 ms. We carry out measurements in simulated microgravity and obtain narrow fringes, up to 1.25 Hz.
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Physical Review Applied, American Physical Society, 2018, 10 (6), pp.064007. 〈10.1103/PhysRevApplied.10.064007〉
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https://hal.sorbonne-universite.fr/hal-02050966
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Soumis le : mercredi 27 février 2019 - 14:58:07
Dernière modification le : lundi 18 mars 2019 - 15:04:57

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Mehdi Langlois, Luigi De Sarlo, David Holleville, Noel Dimarcq, Jean-François Schaff, et al.. Compact Cold-Atom Clock for Onboard Timebase: Tests in Reduced Gravity. Physical Review Applied, American Physical Society, 2018, 10 (6), pp.064007. 〈10.1103/PhysRevApplied.10.064007〉. 〈hal-02050966〉

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