Opto-electronic system for displacement and vibration measurements

Year: 1987

Authors: Francini F., Macchiarulo M., Tiribilli B., Buah-Bassuah P. K.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: A device capable of measuring small displacements and vibrations of a moving body is presented. A small mirror, firmly attached to the object under investigation, deflects a pair of laser beams onto two distinct photodetectors. From the examination of the output signals, it is possible to have separate information on the rotational and translational movements of a surface.

Journal/Review: REVIEW OF SCIENTIFIC INSTRUMENTS

Volume: 58 (9)      Pages from: 1678  to: 1681

KeyWords: displacement measurement; optoelectronic devices; vibration measurement
DOI: 10.1063/1.1139367

Citations: 7
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