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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 8 — Apr. 15, 2010
  • pp: 1278–1280

Adaptive self-mixing vibrometer based on a liquid lens

U. Zabit, R. Atashkhooei, T. Bosch, S. Royo, F. Bony, and A. D. Rakic  »View Author Affiliations


Optics Letters, Vol. 35, Issue 8, pp. 1278-1280 (2010)
http://dx.doi.org/10.1364/OL.35.001278


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Abstract

A self-mixing laser diode vibrometer including an adaptive optical element in the form of a liquid lens (LL) has been implemented and its benefits demonstrated. The LL arrangement is able to control the feedback level of the self-mixing phenomenon, keeping it in the moderate feedback regime, particularly suitable for displacement measurements. This control capability has enabled a remarkable increase in the sensor-to-target distance range where measurements are feasible. Target vibration signal reconstructions present a maximum error of λ 16 as compared with a commercial sensor, thus providing an improved working range of 6.5 cm to 265 cm .

© 2010 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.2020) Lasers and laser optics : Diode lasers
(280.3420) Remote sensing and sensors : Laser sensors
(120.1088) Instrumentation, measurement, and metrology : Adaptive interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 21, 2009
Revised Manuscript: March 10, 2010
Manuscript Accepted: March 10, 2010
Published: April 15, 2010

Citation
U. Zabit, R. Atashkhooei, T. Bosch, S. Royo, F. Bony, and A. D. Rakic, "Adaptive self-mixing vibrometer based on a liquid lens," Opt. Lett. 35, 1278-1280 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-8-1278

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