Long-period grating fabricated using resistive filament heating

Li-Yang Shao; Jian Zhao; Xinyong Dong; H. Y. Tam; C. Lu; Sailing He

doi:10.1117/12.786108

16 May 2008 Long-period grating fabricated using resistive filament heating

Li-Yang Shao, Jian Zhao, Xinyong Dong, H. Y. Tam, C. Lu, Sailing He

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70044K (2008) https://doi.org/10.1117/12.786108
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

We fabricate and demonstrate a long-period grating (LPG) by periodically tapering a section of standard single-mode fiber using resistive filament heating. The obtained LPG has a large peak transmission attenuation of -30.31 dB with only 22 periods in a 1.0-cm long optical fiber. Such a LPG exhibits unique characteristics for sensing applications. The bending and strain sensitivities are 1.74 nm•m and 1.11 pm/με, respectively. The polarization dependent loss is large, up to 11.65dB, caused by asymmetric index profile in the cross section of the tapered LPG.

Citation Download Citation

Li-Yang Shao, Jian Zhao, Xinyong Dong, H. Y. Tam, C. Lu, and Sailing He "Long-period grating fabricated using resistive filament heating", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70044K (16 May 2008); https://doi.org/10.1117/12.786108

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