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Conferences > ACPC > 2014 > ATh3A > ATh3A.189

Refractive Index Sensitivity of Nano-Film Coated Over-Coupled Long-Period Fiber Gratings

Fang Zou, Yunqi Liu, Shan Zhu, Chuanlu Deng, and Tingyun Wang

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Abstract

The evolution of the resonance wavelength and the grating contrast as a function of the surrounding index for nano-film coated long-period fiber gratings was investigated theoretically. The vectorial analysis of four-layer cylindrical waveguide was utilized.

© 2014 Optical Society of America

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