Direct measurement of fiber Bragg grating local birefringence using optical low coherence reflectometry

Dragan Coric; Hans G. Limberger; Rene P. Salathe

doi:10.1117/12.623634

23 May 2005 Direct measurement of fiber Bragg grating local birefringence using optical low coherence reflectometry

Dragan Coric, Hans G. Limberger, Rene P. Salathe

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623634
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

Optical low coherence reflectometry (OLCR) was used for the measurement of the local fiber Bragg grating (FBG) birefringence. The birefringence with resolution of 4μ10^-6 was determined directly from oscillations in the OLCR amplitude with a spatial resolution on the millimeter scale. Using OLCR phase in combination with inverse scattering algorithm the birefringence was retrieved with a high spatial resolution of 25 microns. The technique using OLCR amplitude was applied for measuring birefringence of a FBG under diametric loading.

Citation Download Citation

Dragan Coric, Hans G. Limberger, and Rene P. Salathe "Direct measurement of fiber Bragg grating local birefringence using optical low coherence reflectometry", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623634

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