Performance Of The Double-Polarization Method In Interferometric Digital Force Sensing By Fiber Tension Bending

Norbert Furstenau

doi:10.1117/12.944309

29 June 1988 Performance Of The Double-Polarization Method In Interferometric Digital Force Sensing By Fiber Tension Bending

Norbert Furstenau

Author Affiliations +

Proceedings Volume 0891, Polarization Considerations for Optical Systems; (1988) https://doi.org/10.1117/12.944309
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The double-polarization method is analyzed as optical means for determining the sign of the change in measurand in interferometric force sensing via fiber tension bending. It is shown that the additional phase shift between the orthogonally polarized and otherwise identical interference signals as introduced under tension bending is small as compared to the initial phase shift (quadrature condition). The method is tested by measuring the axial fiber strain via fringe counting under application of transverse force.

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Norbert Furstenau "Performance Of The Double-Polarization Method In Interferometric Digital Force Sensing By Fiber Tension Bending", Proc. SPIE 0891, Polarization Considerations for Optical Systems, (29 June 1988); https://doi.org/10.1117/12.944309

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