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Three-dimensional object construction using a self-mixing type scanning laser range finder

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4 Author(s)
Bosch, T. ; Dept. d''Autom. et Productique, Ecole des Mines de Nantes, France ; Servagent, N. ; Chellali, R. ; Lescure, M.

A self-mixing type scanning range finder has been designed for the acquisition of three-dimensional (3-D) image data and object construction. The optical beam backscattered by a rough target into the laser diode cavity causes strong variations of the optical output power, the pseudo period between two of these variations corresponding to a distance of a half wavelength. With such a device, images have been obtained with a resolution of 0.1% over ranges up to 3 m, for 3-D object construction

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Instrumentation and Measurement, IEEE Transactions on  (Volume:47 ,  Issue: 5 )