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Absolute marine gravimetry with matter-wave interferometry

Author

Listed:
  • Y. Bidel

    (ONERA – The French Aerospace Lab)

  • N. Zahzam

    (ONERA – The French Aerospace Lab)

  • C. Blanchard

    (ONERA – The French Aerospace Lab)

  • A. Bonnin

    (ONERA – The French Aerospace Lab)

  • M. Cadoret

    (ONERA – The French Aerospace Lab
    Laboratoire Commun de Métrologie)

  • A. Bresson

    (ONERA – The French Aerospace Lab)

  • D. Rouxel

    (Shom – French hydrographic and oceanographic office)

  • M. F. Lequentrec-Lalancette

    (Shom – French hydrographic and oceanographic office)

Abstract

Measuring gravity from an aircraft or a ship is essential in geodesy, geophysics, mineral and hydrocarbon exploration, and navigation. Today, only relative sensors are available for onboard gravimetry. This is a major drawback because of the calibration and drift estimation procedures which lead to important operational constraints. Atom interferometry is a promising technology to obtain onboard absolute gravimeter. But, despite high performances obtained in static condition, no precise measurements were reported in dynamic. Here, we present absolute gravity measurements from a ship with a sensor based on atom interferometry. Despite rough sea conditions, we obtained precision below 10−5 m s−2. The atom gravimeter was also compared with a commercial spring gravimeter and showed better performances. This demonstration opens the way to the next generation of inertial sensors (accelerometer, gyroscope) based on atom interferometry which should provide high-precision absolute measurements from a moving platform.

Suggested Citation

  • Y. Bidel & N. Zahzam & C. Blanchard & A. Bonnin & M. Cadoret & A. Bresson & D. Rouxel & M. F. Lequentrec-Lalancette, 2018. "Absolute marine gravimetry with matter-wave interferometry," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03040-2
    DOI: 10.1038/s41467-018-03040-2
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    Cited by:

    1. Jongmin Lee & Roger Ding & Justin Christensen & Randy R. Rosenthal & Aaron Ison & Daniel P. Gillund & David Bossert & Kyle H. Fuerschbach & William Kindel & Patrick S. Finnegan & Joel R. Wendt & Micha, 2022. "A compact cold-atom interferometer with a high data-rate grating magneto-optical trap and a photonic-integrated-circuit-compatible laser system," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Jack C. Saywell & Max S. Carey & Philip S. Light & Stuart S. Szigeti & Alistair R. Milne & Karandeep S. Gill & Matthew L. Goh & Viktor S. Perunicic & Nathanial M. Wilson & Calum D. Macrae & Alexander , 2023. "Enhancing the sensitivity of atom-interferometric inertial sensors using robust control," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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