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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 17, Iss. 11 — Jun. 1, 1992
  • pp: 819–821

Fiber-optic Doppler velocimeter that incorporates active optical feedback from a diode laser

W. M. Wang, W. J. O. Boyle, K. T. V. Grattan, and A. W. Palmer  »View Author Affiliations


Optics Letters, Vol. 17, Issue 11, pp. 819-821 (1992)
http://dx.doi.org/10.1364/OL.17.000819


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Abstract

A fiber-optic Doppler velocimeter that incorporates the effect of self-mixing in a diode laser is described. A theoretical model, based on self-mixing interference theory, is presented, and a simple experimental arrangement is constructed. The results of the experimental research are found to be in good agreement with the theoretical analysis. A Doppler velocity of as much as 3 m/s was measured directly, and a good linear relationship between the Doppler velocity and the Doppler-shifted frequency was obtained, which can be used to determine the speed of a moving object.

© 1992 Optical Society of America

History
Original Manuscript: November 4, 1991
Published: June 1, 1992

Citation
W. M. Wang, W. J. O. Boyle, K. T. V. Grattan, and A. W. Palmer, "Fiber-optic Doppler velocimeter that incorporates active optical feedback from a diode laser," Opt. Lett. 17, 819-821 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-11-819

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