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Bragg Gratings White Paper

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Bragg Gratings White Paper

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  • Author: Martin Kristensen
Since the discovery of light-induced refractive index changes in silica materials and the invention of the side-writing method, UV-writing of gratings in optical fibres has become an important technological field for telecommunications and optical sensors. there are two competing classes of models for UV-induced index changes in germanium-doped silica. Microscopic models are based on the assumption that defects formed in the glass lead to a higher refractive index

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