SYSTEM FOR LASER MEASUREMENT OF THE TARGET MOTION

摘要

A system is described for the measurement of the motion of a target. The measurement system includes a self-mixing laser source for generating an output radiation and for receiving a feedback radiation, includes a movable target for receiving at least part of a direct radiation and for reflecting a corresponding reflected radiation and includes a lens interposed between the laser source and the target for receiving said output radiation and at least part of said reflected radiation and for transmitting therefrom said direct radiation and said feedback radiation, respectively. The lens is placed in such a way that a diameter of the reflected radiation evaluated at the target is greater than a diameter of the direct radiation evaluated at the lens.