Angular velocity optical sensor

Salvador Palma-Vargas; G. Eduardo Sandoval-Romero; Angélica Ramírez-Ibarra

doi:10.1117/12.674627

10 February 2006 Angular velocity optical sensor

Salvador Palma-Vargas, G. Eduardo Sandoval-Romero, Angélica Ramírez-Ibarra

Proceedings Volume 6046, Fifth Symposium Optics in Industry; 60462C (2006) https://doi.org/10.1117/12.674627
Event: Fifth Symposium Optics in Industry, 2005, Santiago De Queretaro, Mexico

Abstract

Most of the investigations that exist about the interferometer of Sagnac in our days, are made through fiber optic, which has the great advantage of having a big area size in very little space wound in a nucleus. The first interferometers of Sagnac, were used for very big angular speeds measures, it didn't have the advances to carry out detections of small signs, because the measurements systems like photo-detectors, amplifiers, filters, etc. didn't have the capacity of the systems that now exist. That is one reason that our experiments are based on the electronic advances, to make detections of phase changes of until less than 0.1 nm with area of 0.025 m². Besides we proposed changes in the original interferometer diagram, adding some elements that can helps to achieve a bigger sensibility, accuracy and reduction of noise. Another of the advantages of use an interferometer of Sagnac, is work directly with the beams that travel through it, because we can observe the behavior from the optic road to external physical effects, like angular velocity or speed and little movements.

Citation Download Citation

Salvador Palma-Vargas, G. Eduardo Sandoval-Romero, and Angélica Ramírez-Ibarra "Angular velocity optical sensor", Proc. SPIE 6046, Fifth Symposium Optics in Industry, 60462C (10 February 2006); https://doi.org/10.1117/12.674627

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