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Proceedings Paper

Simultaneous measurements of particle size, velocity, and absorption coefficient using dual-burst Doppler signals
Author(s): Naomichi Yokoi; Yoshihisa Aizu; Hiromichi Mishina
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Paper Abstract

A method for simultaneous measurements of particle size, velocity and absorption coefficient is proposed by using dual-burst Doppler signals which are obtained in the planar LDV optical system. In the system, two bursts of reflective and refractive Doppler beat signals are produced by passage of a single particle through the probe volume. The particle diameter is obtained from a time difference between the two bursts, while the absorption coefficient is determined from their intensity ratio. Theoretical and experimental investigations were carried out to confirm the usefulness of the proposed method.

Paper Details

Date Published: 19 November 2003
PDF: 3 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.530080
Show Author Affiliations
Naomichi Yokoi, Muroran Institute of Technology (Japan)
Yoshihisa Aizu, Muroran Institute of Technology (Japan)
Hiromichi Mishina, Muroran Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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