Chinese Optics Letters, 2003, 1 (5): 05256, Published Online: Jun. 6, 2006  

A technique for enhancing the thermal stability of hydrogen-loaded fiber Bragg grating Download: 1266次

Author Affiliations
1 Research Institute of Fiber Optics, Heilongjiang University, Harbin 150080
2 Department of Electrical Engineering, the Hong Kong Polytechnic University, Kowloon, Hong Kong SAR
Abstract
Heat treatment with the presence of hydrogen (H_(2)) that react with GeE0 centers (·Ge ≡) at high temperature will weaken the refractive index modulation of grating fabricated in hydrogen-loaded normal germanosilicate fiber. Pre-annealing treatment of the above fiber was demonstrated to be able to enhance the grating’s thermal stability effectively. 0.37-nm blue-shift of the reflected Bragg wavelength was observed.

Youlong Yu, Hwayaw Tam. A technique for enhancing the thermal stability of hydrogen-loaded fiber Bragg grating[J]. Chinese Optics Letters, 2003, 1(5): 05256.

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