Special Section on Instrumentation and Techniques for Geometrical and Mechanical Quantity Measurement

Measuring solid surface velocity and detection of particle movement by laser Bessel beams

[+] Author Affiliations
Mahmud Sakah, Brahim Chebbi

Laurentian University, Bharti School of Engineering, Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada

Opt. Eng. 55(9), 091411 (Jul 18, 2016). doi:10.1117/1.OE.55.9.091411
History: Received January 20, 2016; Accepted June 30, 2016
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Abstract.  The details of a technique to measure solid surface velocity and detect particle movement are presented. This technique is based on the measurements of the frequency change of scattered light of particles crossing the fringes of a nearly Bessel beam formed by an axicon. Experimental results are presented and confirm the theoretical analysis and numerical simulations. Measurements of the movement of wires through the fringes were also performed.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Mahmud Sakah and Brahim Chebbi
"Measuring solid surface velocity and detection of particle movement by laser Bessel beams", Opt. Eng. 55(9), 091411 (Jul 18, 2016). ; http://dx.doi.org/10.1117/1.OE.55.9.091411


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