悬臂梁
材料科学
法布里-珀罗干涉仪
光学
干涉测量
光纤
振动
纤维
梁(结构)
光纤传感器
飞秒
激光器
光电子学
声学
复合材料
波长
物理
作者
Weiyi Ma,Yi Jiang,Han Zhang,Liuchao Zhang,Jie Hu,Lan Jiang
标识
DOI:10.1515/ntrev-2019-0028
摘要
Abstract An on-fiber extrinsic Fabry–Perot interferometric (EFPI) vibration sensor based on micro-cantilever beam is proposed and experimentally demonstrated. The micro-cantilever beam, with a cantilever length of 80μm and a cantilever thickness of 5μm, is created perpendicular to the fiber axis by using the femtosecond laser micro-machining technique. The on-fiber vibration sensor has same diameter with that of the single mode fiber. An acceleration sensitivity of 11.1 mV/g@300 Hz in the range of 0.5-5g is demonstrated experimentally. This on-fiber and micro-cantilever beam design allows for the sensor to be smaller size and higher temperature resistance.
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