G - Physics – 01 – H
Patent
G - Physics
01
H
G01H 9/00 (2006.01)
Patent
CA 2337267
The invention concerns a method for velocimetric measuring of a target (6) vibrating with a displacement higher than the wavelength, with limited extension about a mean position, which consists in causing a reference laser beam (3) and a beam diffused (14) by the target (6) to interfere in the holographic material (4); and measuring with a photoelectric detector (8) the variation of the luminous intensity transmitted by the material is measured.
The invention concerns a method for velocimetric measuring of a target (6) vibrating with a displacement higher than the wavelength, with limited extension about a mean position, which consists in causing a reference laser beam (3) and a beam diffused (14) by the target (6) to interfere in the holographic material (4); and measuring with a photoelectric detector (8) the variation of the luminous intensity transmitted by the material is measured.
Delaye Philippe
Roosen Gerald
Centre National de La Recherche Scientifique (cnrs)
Gowling Lafleur Henderson Llp
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