{"title":"基于七芯光纤内嵌光纤布拉格光栅的全向弯曲传感器","authors":"Maoxiang Hou, Jun He, Yiping Wang","doi":"10.1109/ACP.2018.8595869","DOIUrl":null,"url":null,"abstract":"We demonstrated a novel omnidirectional bending sensor by use of fiber Bragg gratings (FBGs) inscribed in a homogeneous seven-core fiber. The seven FBGs were simultaneously inscribed in each of all seven cores using a modified Talbot interferometer and a lens scanning method. The omnidirectional bending response of six outer-core FBGs was investigated in all 360° directions with a step size of 15°. A strong angular dependence of the curvature sensitivities was achieved radially, with a maximum sensitivity of 59.47 pm/m−1. They were displayed in a polar-coordinate system with six perfect '8'-shaped patterns. The seven-core fiber-based FBGs have significant potential as compact and robust vectorial bending sensors for intelligent artificial limb applications.","PeriodicalId":431579,"journal":{"name":"2018 Asia Communications and Photonics Conference (ACP)","volume":"127 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Omnidirectional bending sensor based on fiber Bragg gratings inscribed in a seven-core fiber\",\"authors\":\"Maoxiang Hou, Jun He, Yiping Wang\",\"doi\":\"10.1109/ACP.2018.8595869\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We demonstrated a novel omnidirectional bending sensor by use of fiber Bragg gratings (FBGs) inscribed in a homogeneous seven-core fiber. The seven FBGs were simultaneously inscribed in each of all seven cores using a modified Talbot interferometer and a lens scanning method. The omnidirectional bending response of six outer-core FBGs was investigated in all 360° directions with a step size of 15°. A strong angular dependence of the curvature sensitivities was achieved radially, with a maximum sensitivity of 59.47 pm/m−1. They were displayed in a polar-coordinate system with six perfect '8'-shaped patterns. The seven-core fiber-based FBGs have significant potential as compact and robust vectorial bending sensors for intelligent artificial limb applications.\",\"PeriodicalId\":431579,\"journal\":{\"name\":\"2018 Asia Communications and Photonics Conference (ACP)\",\"volume\":\"127 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 Asia Communications and Photonics Conference (ACP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ACP.2018.8595869\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 Asia Communications and Photonics Conference (ACP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ACP.2018.8595869","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Omnidirectional bending sensor based on fiber Bragg gratings inscribed in a seven-core fiber
We demonstrated a novel omnidirectional bending sensor by use of fiber Bragg gratings (FBGs) inscribed in a homogeneous seven-core fiber. The seven FBGs were simultaneously inscribed in each of all seven cores using a modified Talbot interferometer and a lens scanning method. The omnidirectional bending response of six outer-core FBGs was investigated in all 360° directions with a step size of 15°. A strong angular dependence of the curvature sensitivities was achieved radially, with a maximum sensitivity of 59.47 pm/m−1. They were displayed in a polar-coordinate system with six perfect '8'-shaped patterns. The seven-core fiber-based FBGs have significant potential as compact and robust vectorial bending sensors for intelligent artificial limb applications.
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