Laser speckle velocimeter using a pair of virtually shifting photodiodes
Authors: Francini F.
Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Abstract: A new method for measuring the magnitude and direction of the velocity of a diffuse object is proposed. The method is based on the Doppler effect using the virtual shift of a pair of photodetectors placed on a plane in the far-field of the speckle pattern.
Journal/Review: OPTICS AND LASER TECHNOLOGY
Volume: 15 (6) Pages from: 307 to: 310