Hydrogen Concentration Dependence of Bragg Wavelength of UV-Written Fiber Grating

Chin. Phys. Lett.

1998, Vol. 15

Issue (12): 886-888 DOI:

Original Articles

Hydrogen Concentration Dependence of Bragg Wavelength of UV-Written Fiber Grating

FU Li-bin;TAN Gu;XU Wan-jin;LIN Xiang-zhi;LIU Hong-du

Department of Physics, Peking University, Beijing 100871

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FU Li-bin, TAN Gu, XU Wan-jin et al 1998 Chin. Phys. Lett. 15 886-888

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Abstract Hydrogen loading provides highly enhanced photosensitivity in Ge-doped fiber. But the Bragg wavelength of UV-written fiber grating will shift from its initial value as the remaining hydrogen diffuses out of such fiber. A simple model to calculate the index change of hydrogenated fibers is presented. The theoretical model is in good agreement with experimental results and it can well predict the final wavelength position of UV-written weak fiber grating.

Keywords: 42.79.Dj 42.81.Dp 42.70.Gi

Published: 01 December 1998

PACS:	42.79.Dj	(Gratings)
	42.81.Dp	(Propagation, scattering, and losses; solitons)
	42.70.Gi	(Light-sensitive materials)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1998/V15/I12/0886

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	FU Li-bin
	TAN Gu
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	LIN Xiang-zhi
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