Characterization of Acoustic Sources by Optical Feedback Interferometry†
AbstractSound can be described as the propagation of pressure variations in compressible media that involves compression and expansion and induces a change in the density of the medium. This change in acoustic pressure as it induces a change of the refractive index can be measured by optical methods, the most recent being the optical feedback interferometry. With this technique, a laser diode is beaming on a reflective surface thus creating a cavity where the acoustic wave propagates. This paper presents anovel experimental technique to measure radiation pattern of acoustic sources based on optical feedback interferometry in a laser diode.
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Urgiles, F.; Perchoux, J.; Bosch, T. Characterization of Acoustic Sources by Optical Feedback Interferometry. Proceedings 2017, 1, 348.
Urgiles F, Perchoux J, Bosch T. Characterization of Acoustic Sources by Optical Feedback Interferometry. Proceedings. 2017; 1(4):348.Chicago/Turabian Style
Urgiles, Fernando; Perchoux, Julien; Bosch, Thierry. 2017. "Characterization of Acoustic Sources by Optical Feedback Interferometry." Proceedings 1, no. 4: 348.
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