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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 19, Iss. 2 — Jan. 15, 1980
  • pp: 289–292

Laser Doppler velocimeter that selectively measures a specified velocity vector

Osami Sasaki, Takeo Abe, Tomio Shimizu, and Masaki Niwayama  »View Author Affiliations


Applied Optics, Vol. 19, Issue 2, pp. 289-292 (1980)
http://dx.doi.org/10.1364/AO.19.000289


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Abstract

A new laser Doppler velocimeter (LDV) where the waveform of Doppler signal changes according to the direction of the velocity vector is proposed. This feature makes it possible to measure selectively a specified velocity vector. A practical LDV system is constructed to be applied to the measurement of the falling velocity of raindrops. In this system the selection of a specified velocity vector is carried out by the detection of a difference between the two periods separated by one cycle of Doppler frequency in a Doppler burst. The experimental results show clearly the usefulness of this system.

© 1980 Optical Society of America

History
Original Manuscript: August 31, 1979
Published: January 15, 1980

Citation
Osami Sasaki, Takeo Abe, Tomio Shimizu, and Masaki Niwayama, "Laser Doppler velocimeter that selectively measures a specified velocity vector," Appl. Opt. 19, 289-292 (1980)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-2-289

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