Ultrasensitive polarimetric torque sensor

Nicolas Javahiraly; Ayoub Chakari; Lionel Calegari; Patrick Meyrueis

doi:10.1117/12.459628

15 March 2002 Ultrasensitive polarimetric torque sensor

Nicolas Javahiraly, Ayoub Chakari, Lionel Calegari, Patrick Meyrueis

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459628
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

We propose the study and the design of an ultra sensitive polarimetric torque sensor. The principle is based on the measurement of the torsion angle (theta) induced on the shaft when a torque T is applied on it. This optical torque sensor has been tested for aluminum, steel and Plexiglas shafts with different geometries. The torsion angle has been measured with 0,001 degree(s) accuracy. The torsion angle is then studied as a function of the applied torque. The comparison between the theoretical and the experimental results give us respectively 4,33%, 1,30% and 1,24% for the Plexiglas, the aluminum and the steel shafts. These results permit us good perspectives for our applications.

Citation Download Citation

Nicolas Javahiraly, Ayoub Chakari, Lionel Calegari, and Patrick Meyrueis "Ultrasensitive polarimetric torque sensor", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459628

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