Laser-self-mixing interferometry for mechatronics applications

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Abstract

We report on the development of an all-interferometric optomechatronic sensor for the detection of multi-degrees-of-freedom displacements of a remote target. The prototype system exploits the self-mixing technique and consists only of a laser head, equipped with six laser sources, and a suitably designed reflective target. The feasibility of the system was validated experimentally for both single or multi-degrees-of-freedom measurements, thus demonstrating a simple and inexpensive alternative to costly and bulky existing systems. ? 2009 by the authors.

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Ottonelli, S., Dabbicco, M., de Lucia, F., di Vietro, M., & Scamarcio, G. (2009, April 27). Laser-self-mixing interferometry for mechatronics applications. Sensors. https://doi.org/10.3390/s90503527

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