G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 17/58 (2006.01) B64D 43/02 (2006.01)
Patent
CA 2724926
The general field of the invention is that of "bistatic" anemometric optical probes comprising an emitting first optical head (103) that illuminates a measurement region and a receiving second optical head (104). The probe according to the invention comprises: - optomechanical movement means (112) for moving one of the optical axes of the optical heads in at least one direction called the measurement direction, the optical axis moved being denoted movable optical axis; - measuring means (106, 107, 108, 109) arranged so as to distribute the intensity of the beam backscattered from the measurement region in at least two directions located on either side of the measurement direction and denoted servo-control directions; and - a servo-control device (110, 111) connected to the measuring means and to the optomechanical means of moving, said servo-control device comprising functions making it possible, on the one hand, to determine, from knowledge of the intensity of the backscattered beam in the two servo-control directions, the offset between the measurement direction of the movable optical axis and a direction, called the optimal direction, making it possible to maximize the intensity of the backscattered beam and, on the other hand, to servo- control the direction of said movable optical axis to the optimal direction.
Lacondemine Xavier
Renard Alain
Rondeau Philippe
Marks & Clerk
Thales
LandOfFree
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