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20 November 2002 Dynamics and threshold behavior in polymer fiber Bragg grating creation
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Photosensitivity has been observed and Bragg gratings have been created in various polymer optical fibres in recent years. Nevertheless the mechanisms of Bragg grating formation in polymer optical fibres are yet to be fully investigated and understood. We carried out experimental investigations on the dynamic growth of Bragg grating under various exposure conditions. For the first time, we observed clearly a threshold behaviour in the grating creation process. The threshold distinguishes two types of fibre gratings that have quite differently properties and performance.
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Gang-Ding Peng, Hui Yong Liu, and Pak Lim Chu "Dynamics and threshold behavior in polymer fiber Bragg grating creation", Proc. SPIE 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII, (20 November 2002);

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