Improved annealing technique for optical fiber

Allen H. Rose; Zhanbing Ren; Gordon W. Day

doi:10.1117/12.185061

14 September 1994 Improved annealing technique for optical fiber

Allen H. Rose, Zhanbing Ren, Gordon W. Day

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.185061
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

We demonstrate that twisting a fiber a few turns per meter before it is annealed largely eliminates the residual linear birefringence. This dramatically improves the yield of annealed coils used for current sensing and makes it possible to use fibers that previously could not be successfully annealed. It is believed that twisting is effective because the residual birefringence is associated with core ellipticity and this contribution is averaged to near zero by twisting. We also show the temperature stability of sensors made with this new technique.

Citation Download Citation

Allen H. Rose, Zhanbing Ren, and Gordon W. Day "Improved annealing technique for optical fiber", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.185061

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