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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 17 — Aug. 15, 2011
  • pp: 16160–16173

Simultaneous measurement of multiple target displacements by self-mixing interferometry in a single laser diode

Francesco P. Mezzapesa, Lorenzo Columbo, Massimo Brambilla, Maurizio Dabbicco, Antonio Ancona, Teresa Sibillano, Francesco De Lucia, Pietro M. Lugarà, and Gaetano Scamarcio  »View Author Affiliations

Optics Express, Vol. 19, Issue 17, pp. 16160-16173 (2011)

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We demonstrate that a single all-optical sensor based on laser diode self-mixing interferometry can monitor the independent displacement of individual portions of a surface. The experimental evidence was achieved using a metallic sample in a translatory motion while partly ablated by a ps-pulsed fiber laser. A model based on the Lang-Kobayashi approach gives an excellent explanation of the experimental results.

© 2011 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(280.3420) Remote sensing and sensors : Laser sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: May 3, 2011
Revised Manuscript: May 31, 2011
Manuscript Accepted: May 31, 2011
Published: August 9, 2011

Francesco P. Mezzapesa, Lorenzo Columbo, Massimo Brambilla, Maurizio Dabbicco, Antonio Ancona, Teresa Sibillano, Francesco De Lucia, Pietro M. Lugarà, and Gaetano Scamarcio, "Simultaneous measurement of multiple target displacements by self-mixing interferometry in a single laser diode," Opt. Express 19, 16160-16173 (2011)

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