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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.1

ISSN Print: 1065-3090
ISSN Online: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v3.i2-3.90
pages 225-235

CONTROL OF LASER LIGHT SHEET PROFILES FOR TOMOGRAPHIC FLOW ANALYSIS BY MEANS OF AN ACOUSTO-OPTIC DEFLECTOR

Jean-Pierre Prenel
University of Franche Comte/CNRS 6174, Belfort, France
L. Thiery
Université de Franche-Comté, Institut de Génie Energétique 2, Avenue Jean Moulin 90000 Belfort, France

ABSTRACT

The control of the power density profile and of the thickness of laser light sheets is proposed to increase the efficiency of the tomographic analysis of flows: a fast periodic shift of the sheets allows modification of the standard Gaussian light distribution without power losses. An experimental device using thermoelectric microsensors is used to validate this method.