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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 34 — Dec. 1, 2012
  • pp: 8177–8183

Nonmechanical scanning laser Doppler velocimeter for cross-sectional two-dimensional velocity measurement

Koichi Maru and Takahiro Hata  »View Author Affiliations

Applied Optics, Vol. 51, Issue 34, pp. 8177-8183 (2012)

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We propose a two-dimensional scanning laser Doppler velocimeter (LDV) that does not require any moving mechanisms in its probe. In the proposed LDV, the measurement position can be scanned in two dimensions on a cross-sectional plane perpendicular to the direction of flow. The combination of the change in wavelength and change in port of the fiber array input to the probe is utilized for the scan. The experimental results using a sensor probe setup indicate that the measurement position can be scanned in two dimensions using the proposed method. The scanning range was estimated to be 39.7 mm in the axial direction over the wavelength range of 1536–1554 nm and 26.1 mm in the transverse direction for the use of 22 ports of the fiber array.

© 2012 Optical Society of America

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

ToC Category:
Remote Sensing and Sensors

Original Manuscript: October 4, 2012
Manuscript Accepted: October 29, 2012
Published: November 29, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Koichi Maru and Takahiro Hata, "Nonmechanical scanning laser Doppler velocimeter for cross-sectional two-dimensional velocity measurement," Appl. Opt. 51, 8177-8183 (2012)

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