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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 32 — Nov. 10, 2011
  • pp: 6121–6127

Nonmechanical transverse scanning laser Doppler velocimeter using wavelength change

Koichi Maru, Toshiki Fujiwara, and Ryusuke Ikeuchi  »View Author Affiliations


Applied Optics, Vol. 50, Issue 32, pp. 6121-6127 (2011)
http://dx.doi.org/10.1364/AO.50.006121


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Abstract

A transverse scanning laser Doppler velocimeter (LDV) that does not require any moving mechanism in its sensor probe is proposed, and the scanning function is demonstrated theoretically and experimentally. In the proposed scanning LDV, the measurement position is transversely scanned on the basis of a wavelength change induced by a tunable laser and a combination of a grating and a Dove prism. To demonstrate the scanning function in the transverse direction, an experiment was carried out using a setup of the sensor probe consisting of bulk optical components. The experimental results indicate that a transverse scanning function was successfully obtained. The scanning range in the vertical direction is estimated to be 11.3 mm over wavelengths of 1520 to 1570 nm .

© 2011 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(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: August 1, 2011
Revised Manuscript: September 20, 2011
Manuscript Accepted: September 20, 2011
Published: November 8, 2011

Citation
Koichi Maru, Toshiki Fujiwara, and Ryusuke Ikeuchi, "Nonmechanical transverse scanning laser Doppler velocimeter using wavelength change," Appl. Opt. 50, 6121-6127 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-32-6121

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