Sensors 2009, 9(5), 3527-3548; doi:10.3390/s90503527

Laser‐Self‐Mixing Interferometry for Mechatronics Applications

Dipartimento Interateneo di Fisica “M. Merlin”, Università di Bari, and CNR-INFM Laboratorio Regionale “LIT3”, Via Amendola 173, I-70126, Bari, Italy
* Author to whom correspondence should be addressed.
Received: 16 March 2009; in revised form: 21 April 2009 / Accepted: 6 May 2009 / Published: 12 May 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy)
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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.
Keywords: physical sensors; displacement measurement; self-mixing; interferometry; mechatronics; semiconductor laser; six degrees-of-freedom

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MDPI and ACS Style

Ottonelli, S.; Dabbicco, M.; De Lucia, F.; Di Vietro, M.; Scamarcio, G. Laser‐Self‐Mixing Interferometry for Mechatronics Applications. Sensors 2009, 9, 3527-3548.

AMA Style

Ottonelli S, Dabbicco M, De Lucia F, Di Vietro M, Scamarcio G. Laser‐Self‐Mixing Interferometry for Mechatronics Applications. Sensors. 2009; 9(5):3527-3548.

Chicago/Turabian Style

Ottonelli, Simona; Dabbicco, Maurizio; De Lucia, Francesco; Di Vietro, Michela; Scamarcio, Gaetano. 2009. "Laser‐Self‐Mixing Interferometry for Mechatronics Applications." Sensors 9, no. 5: 3527-3548.

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