Laser speckle velocimeter using a pair of virtually shifting photodiodes

Year: 1983

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.


Volume: 15 (6)      Pages from: 307  to: 310

KeyWords: Doppler effect; Lasers; Speckle; Velocimeters
DOI: 10.1016/0030-3992(83)90032-4

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