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Doppler velocimetry using self-mixing effect in a short Er–Yb-doped phosphate glass fiber laser

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Abstract

Accurate and highly sensitive speed measurements have been successfully demonstrated by the optical feedback velocimetry technique using the self-mixing modulation effect in a double-clad Er–Yb-doped fiber laser. The sensitivity to back-scattered light has been investigated regarding the Doppler frequency shift or the target distance, and it has been shown that the velocimeter is still sensitive to a target located at 20 m and for speeds as high as 13 m s−1.

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Authors and Affiliations

  1. Centre Interdisciplinaire de Recherches Ions Lasers (CIRIL), UMR 6637 CEA-CNRS-ENSICAEN, Université de Caen, 6 Blvd Maréchal Juin, 14050, Caen Cedex, France

    M. Laroche, L. Kervevan, H. Gilles & S. Girard

  2. Optoelectronics Research Centre (ORC), University of Southampton, Southampton, SO17 1BJ, UK

    J. K. Sahu

Authors
  1. M. Laroche
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  2. L. Kervevan
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  3. H. Gilles
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  4. S. Girard
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  5. J. K. Sahu
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Correspondence to M. Laroche.

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Laroche, M., Kervevan, L., Gilles, H. et al. Doppler velocimetry using self-mixing effect in a short Er–Yb-doped phosphate glass fiber laser. Appl. Phys. B 80, 603–607 (2005). https://doi.org/10.1007/s00340-005-1738-0

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  • DOI: https://doi.org/10.1007/s00340-005-1738-0

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