Zero-velocity atom interferometry using a retroreflected frequency chirped laser
| Autor: | I. Perrin, J. Bernard, Y. Bidel, A. Bonnin, N. Zahzam, C. Blanchard, A. Bresson, M. Cadoret |
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| Přispěvatelé: | ONERA - The French Aerospace Lab [Châtillon], ONERA, Laboratoire commun de métrologie LNE-CNAM (LCM), Laboratoire National de Métrologie et d'Essais [Trappes] (LNE )-Conservatoire National des Arts et Métiers [CNAM] (CNAM), Conservatoire National des Arts et Métiers [CNAM] (CNAM), DPHY, ONERA, Université Paris Saclay [Palaiseau], ONERA-Université Paris-Saclay |
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Atom interferometer
Atomic Physics (physics.atom-ph) FOS: Physical sciences Accelerometer 7. Clean energy 01 natural sciences 010305 fluids & plasmas law.invention Physics - Atomic Physics symbols.namesake Acceleration Optics Matter waves and collective properties of cold atoms and molecules law 0103 physical sciences Phase noise Chirp Physics::Atomic Physics 010306 general physics Wavefront Physics business.industry Laser [PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph] symbols Raman spectroscopy business |
| Zdroj: | Physical Review A Physical Review A, American Physical Society 2019, 100 (5), pp.053618. ⟨10.1103/PhysRevA.100.053618⟩ Phys.Rev.A Phys.Rev.A, 2019, 100 (5), pp.053618. ⟨10.1103/PhysRevA.100.053618⟩ |
| ISSN: | 2469-9926 2469-9934 |
| DOI: | 10.1103/PhysRevA.100.053618⟩ |
| Popis: | Atom interferometry using stimulated Raman transitions in a retroreflected configuration is the first choice in high precision measurements because it provides low phase noise, high quality Raman wavefront and simple experimental setup. However, it cannot be used for atoms at zero velocity because two pairs of Raman lasers are simultaneously resonant. Here we report a method which allows to lift this degeneracy by using a frequency chirp on the Raman lasers. Using this technique, we realize a Mach-Zehnder atom interferometer hybridized with a force balanced accelerometer which provides horizontal acceleration measurements with a short-term sensitivity of $3.2\times 10^{-5}$ m.s$^{-2}$/$\sqrt{Hz}$. We check at the level of precision of our experiment the absence of bias induced by this method. This technique could be used for multiaxis inertial sensors, tiltmeters or atom interferometry in a microgravity environment. Comment: 7 pages, 9 figures |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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