飞秒
材料科学
芯(光纤)
光纤激光器
光学
激光器
光纤
光子晶体光纤
磷
流离失所(心理学)
光纤布拉格光栅
光电子学
光纤传感器
保偏光纤
物理
心理学
心理治疗师
作者
Fan Yang,Weijia Bao,Changrui Liao,Yiping Wang
摘要
A novel vector displacement sensor based on femtosecond laser direct writing gratings and waveguides in a seven-core fiber was proposed. Avoiding the use of fan-in and fan-out devices, such a vector displacement sensor realized a highly integrated structure. The displacement sensitivity, displacement resolution and directional accuracy of the proposed sensor were 0.28 nm/mm, 0.01 mm, and <0.1°, respectively.
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