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Fiber specklegram sensor based on the twist-induced effect in tilted two-mode fiber Bragg gratings

机译:基于扭曲双模光纤布拉格光栅中扭曲诱导效应的光纤散斑图传感器

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We demonstrate a fiber specklegram sensor based on the twist-induced effect in tilted two-mode fiber Bragg gratings (TM-FBGs). The measured LP21 mode specklegram rotates 4.73 (radm-1) with twist in the tilted TM-FBGs.
机译:我们演示了基于扭曲双模光纤布拉格光栅(TM-FBGs)中的扭曲诱导效应的光纤散斑图传感器。测得的LP 21 模式散点图在倾斜的TM-FBG中旋转时旋转4.73(radm -1 )。

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