Miniature Two-Axis Accelerometer Based on Multicore Fiber for Pantograph-Catenary System
We report a miniature and robust two-axis accelerometer using a cantilever beam structure based on a multicore fiber (MCF) for pantograph-catenary system monitoring. Two cores of the MCF were inscribed with fiber Bragg gratings using femtosecond laser-based point-by-point technique without the need...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2023-01, Vol.72, p.1-1 |
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| container_title | IEEE transactions on instrumentation and measurement |
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| creator | Yu, Yaokang Dash, Jitendra Narayan Cui, Jingxian Gunawardena, Dinusha Serandi Tam, Hwa-Yaw |
| description | We report a miniature and robust two-axis accelerometer using a cantilever beam structure based on a multicore fiber (MCF) for pantograph-catenary system monitoring. Two cores of the MCF were inscribed with fiber Bragg gratings using femtosecond laser-based point-by-point technique without the need to remove the protective coating of the fiber. The parameters of the sensor have been optimized using finite element-based simulations and its response to acceleration was investigated at a frequency of 40 Hz at different orientations. The packaged sensor has a weight of 5.2 grams with maximum acceleration sensitivities of 18 pm/g and 19 pm/g along the x and y axes respectively for applied acceleration up to 10 g. Furthermore, the fabricated sensor exhibits a sensitivity of 14 pm/g along with a linear response for higher acceleration from 10 g to 25 g thereby demonstrating its robustness for practical applications that require small and lightweight accelerometers. |
| doi_str_mv | 10.1109/TIM.2023.3295019 |
| format | Article |
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Two cores of the MCF were inscribed with fiber Bragg gratings using femtosecond laser-based point-by-point technique without the need to remove the protective coating of the fiber. The parameters of the sensor have been optimized using finite element-based simulations and its response to acceleration was investigated at a frequency of 40 Hz at different orientations. The packaged sensor has a weight of 5.2 grams with maximum acceleration sensitivities of 18 pm/g and 19 pm/g along the x and y axes respectively for applied acceleration up to 10 g. 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Two cores of the MCF were inscribed with fiber Bragg gratings using femtosecond laser-based point-by-point technique without the need to remove the protective coating of the fiber. The parameters of the sensor have been optimized using finite element-based simulations and its response to acceleration was investigated at a frequency of 40 Hz at different orientations. The packaged sensor has a weight of 5.2 grams with maximum acceleration sensitivities of 18 pm/g and 19 pm/g along the x and y axes respectively for applied acceleration up to 10 g. Furthermore, the fabricated sensor exhibits a sensitivity of 14 pm/g along with a linear response for higher acceleration from 10 g to 25 g thereby demonstrating its robustness for practical applications that require small and lightweight accelerometers.</description><subject>Accelerometer</subject><subject>Accelerometers</subject><subject>Bragg gratings</subject><subject>Cantilever beams</subject><subject>Catenaries</subject><subject>Femtosecond laser</subject><subject>Fiber gratings</subject><subject>Force</subject><subject>Force measurement</subject><subject>Laser applications</subject><subject>Multicore Fiber</subject><subject>Optical fiber sensors</subject><subject>Pantograph</subject><subject>Pantographs</subject><subject>Protective coatings</subject><subject>Sensitivity</subject><subject>Sensors</subject><subject>Ultrafast optics</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkD1PwzAQhi0EEqWwMzBEYk4527ETj6WiUKkVSBSJzXLcC6Rq42I7gv57XJWB6YZ73vt4CLmmMKIU1N1ythgxYHzEmRJA1QkZUCHKXEnJTskAgFa5KoQ8JxchrAGglEU5IO-LtmtN7D1my2-Xj3_akI2txQ16t8WIPrs3AVeZ67JFv4mtdYmctnVqNM5nL6aL7sOb3Wc-MRE74_fZ6z5E3F6Ss8ZsAl791SF5mz4sJ0_5_PlxNhnPc8sUi7kAWQqBULNK8UauTM0Zo1RYVCss0x911RisalHxkjKQyholS0WNTVSjFB-S2-PcnXdfPYao1673XVqpWVVwml4GmSg4Uta7EDw2eufbbbpWU9AHfzr50wd_-s9fitwcIy0i_sNpxXjB-C8coWsk</recordid><startdate>20230101</startdate><enddate>20230101</enddate><creator>Yu, Yaokang</creator><creator>Dash, Jitendra Narayan</creator><creator>Cui, Jingxian</creator><creator>Gunawardena, Dinusha Serandi</creator><creator>Tam, Hwa-Yaw</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Two cores of the MCF were inscribed with fiber Bragg gratings using femtosecond laser-based point-by-point technique without the need to remove the protective coating of the fiber. The parameters of the sensor have been optimized using finite element-based simulations and its response to acceleration was investigated at a frequency of 40 Hz at different orientations. The packaged sensor has a weight of 5.2 grams with maximum acceleration sensitivities of 18 pm/g and 19 pm/g along the x and y axes respectively for applied acceleration up to 10 g. 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| subjects | Accelerometer Accelerometers Bragg gratings Cantilever beams Catenaries Femtosecond laser Fiber gratings Force Force measurement Laser applications Multicore Fiber Optical fiber sensors Pantograph Pantographs Protective coatings Sensitivity Sensors Ultrafast optics |
| title | Miniature Two-Axis Accelerometer Based on Multicore Fiber for Pantograph-Catenary System |
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