Experimental results of fiber optic contrast-sensitive dislocation sensor

M. Zyczkowski; M. Szustakowski; N. Palka

doi:10.1117/12.623256

23 May 2005 Experimental results of fiber optic contrast-sensitive dislocation sensor

M. Zyczkowski, M. Szustakowski, N. Palka

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623256
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

The dislocation sensor based on the contrast phenomenon in an unbalanced fiber optic Michelson interferometer with a 3 x 3 coupler and a semiconductor multimode laser. Periodic contrast oscillations, which depend on a laser spectrum, occur if a measuring arm of the interferometer is elongated. A conception of the elongation sensor that based on linearization of contrast oscillations is shown. Next, a setup of the sensor and signal processing scheme of the sensor is presented. During measurements, for 1-m long sensor we obtained 5-mm measuring range with ±28-μm uncertainty. Explanation of these differences and conclusion to further research are formulated.

Citation Download Citation

M. Zyczkowski, M. Szustakowski, and N. Palka "Experimental results of fiber optic contrast-sensitive dislocation sensor", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623256

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