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Applied Physics B

, Volume 117, Issue 2, pp 749–754 | Cite as

A simple laser system for atom interferometry

  • S. Merlet
  • L. Volodimer
  • M. Lours
  • F. Pereira Dos SantosEmail author
Article

Abstract

We present here a simple laser system for a laser-cooled atom interferometer, where all functions (laser cooling, interferometry and detection) are realized using only two extended cavity laser diodes, amplified by a common tapered amplifier. One laser is locked by frequency modulation transfer spectroscopy, the other being phase locked with an offset frequency determined by an field-programmable gate array-controlled direct digital synthesizer, which allows for efficient and versatile tuning of the laser frequency. Raman lasers are obtained with a double pass acoustooptic modulator. We demonstrate a gravimeter using this laser system, with performances close to the state of the art.

Keywords

Phase Lock Loop Raman Laser Chirp Rate Atom Interferometer Interferometer Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The authors thank Bin Wu et Emmanuel Cocher for their contribution to the development of the laser system.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • S. Merlet
    • 1
  • L. Volodimer
    • 1
  • M. Lours
    • 1
  • F. Pereira Dos Santos
    • 1
    Email author
  1. 1.LNE-SYRTE, Observatoire de Paris, LNE, CNRS UPMCParisFrance

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