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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 19 — Oct. 1, 2005
  • pp: 2569–2571

Volume three-dimensional flow measurements using wavelength multiplexing

Andrew J. Moore, Jason Smith, and Nicholas J. Lawson  »View Author Affiliations

Optics Letters, Vol. 30, Issue 19, pp. 2569-2571 (2005)

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Optically distinguishable seeding particles that emit light in a narrow bandwidth, and a combination of bandwidths, were prepared by encapsulating quantum dots. The three-dimensional components of the particles' displacement were measured within a volume of fluid with particle tracking velocimetry (PTV). Particles are multiplexed to different hue bands in the camera images, enabling an increased seeding density and (or) fewer cameras to be used, thereby increasing the measurement spatial resolution and (or) reducing optical access requirements. The technique is also applicable to two-phase flow measurements with PTV or particle image velocimetry, where each phase is uniquely seeded.

© 2005 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(150.4620) Machine vision : Optical flow

ToC Category:
Instrumentation, Measurement, and Metrology

Andrew J. Moore, Jason Smith, and Nicholas J. Lawson, "Volume three-dimensional flow measurements using wavelength multiplexing," Opt. Lett. 30, 2569-2571 (2005)

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