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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 20 — Jul. 10, 2012
  • pp: 4783–4787

Nonmechanical axial scanning laser Doppler velocimeter with directional discrimination

Koichi Maru and Takahiro Hata  »View Author Affiliations


Applied Optics, Vol. 51, Issue 20, pp. 4783-4787 (2012)
http://dx.doi.org/10.1364/AO.51.004783


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Abstract

An axial scanning laser Doppler velocimeter (LDV) with directional discrimination not requiring any moving mechanism in its probe is proposed. The proposed LDV utilizes frequency shift induced by acousto-optic modulators (AOMs) for discriminating the direction of velocity. The measurement position is axially scanned by changing the wavelength of the light input to the probe. The experimental result reveals that both the axial scan and the directional discrimination can be realized by using the proposed method without any moving element in the probe.

© 2012 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry
(280.3420) Remote sensing and sensors : Laser sensors

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: March 30, 2012
Revised Manuscript: June 4, 2012
Manuscript Accepted: June 5, 2012
Published: July 9, 2012

Citation
Koichi Maru and Takahiro Hata, "Nonmechanical axial scanning laser Doppler velocimeter with directional discrimination," Appl. Opt. 51, 4783-4787 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-20-4783

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