Effect of an Added Mass on the Vibration Characteristics for Raster Scanning of a Cantilevered Optical Fiber.
Effect of an Added Mass on the Vibration Characteristics for Raster Scanning of a Cantilevered Optical Fiber.
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DOI：
10.1115/1.4050691
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发表时间：
2021-03
期刊：
影响因子：
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通讯作者：
Kelli C. Kiekens;David Vega;Harrison T. Thurgood;D. Galvez;Davis J McGregor;T. Sawyer;J. Barton
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文献类型：
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作者：
Kelli C. Kiekens;David Vega;Harrison T. Thurgood;D. Galvez;Davis J McGregor;T. Sawyer;J. Barton
具有悬臂式光纤的压电管致动器使得用于内窥镜实施的扫描图像采集技术能够小型化。为了实现这种小型化系统的光栅扫描，第一谐振频率应该是10 μ Hz的量级。我们探索在中间位置添加质量沿着长度的纤维，以改变系统的谐振频率。我们提供了一个数学模型来预测具有中间质量的悬臂梁的共振频率。对于各种纤维长度、质量尺寸和沿着纤维的质量附着位置，理论和测量数据匹配良好。
Piezoelectric tube actuators with cantilevered optical fibers have enabled the miniaturization of scanning image acquisition techniques for endoscopic implementation. To achieve raster scanning for such a miniaturized system, the first resonant frequency should be of the order of 10 s of Hz. We explore adding a mass at an intermediate location along the length of the fiber to alter the resonant frequencies of the system. We provide a mathematical model to predict resonant frequencies for a cantilevered beam with an intermediate mass. The theoretical and measured data match well for various fiber lengths, mass sizes, and mass attachment locations along the fiber.