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公开(公告)号：US07324732B2
公开(公告)日：2008-01-29
申请号：US11551503
申请日：2006-10-20
IPC分类号： G02B6/02
CPC分类号： G01L1/242 , G01D5/3538 , G01M11/088 , G02B6/03622 , G02F1/0134 , G02F1/035 , G02F2201/02 , G02F2202/20
摘要： An optical fiber sensor having a central core, a cladding layer disposed about the central core, and a thin film of lithium niobate positioned between the core and the cladding layer. Each of the cladding layer and the central core are made from glass materials having different indices of refraction. The refractive index of the lithium niobate film changes when stress is applied to the optical fiber sensor. Accordingly, stress may be detected and measured by detecting and measuring the modulation of light passing through the optical fiber sensor while the stress is occurring.
摘要翻译： 一种光纤传感器，其具有中心芯，围绕中心芯设置的包层，以及位于芯和包覆层之间的铌酸锂薄膜。 每个包层和中心芯由具有不同折射率的玻璃材料制成。 当对光纤传感器施加应力时，铌酸锂薄膜的折射率发生变化。 因此，可以通过在发生应力的同时检测和测量通过光纤传感器的光的调制来检测和测量应力。
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公开(公告)号：US20070237476A1
公开(公告)日：2007-10-11
申请号：US11551503
申请日：2006-10-20
IPC分类号： G02B6/02
CPC分类号： G01L1/242 , G01D5/3538 , G01M11/088 , G02B6/03622 , G02F1/0134 , G02F1/035 , G02F2201/02 , G02F2202/20
摘要： An optical fiber sensor having a central core, a cladding layer disposed about the central core, and a thin film of lithium niobate positioned between the core and the cladding layer. Each of the cladding layer and the central core are made from glass materials having different indices of refraction. The refractive index of the lithium niobate film changes when stress is applied to the optical fiber sensor. Accordingly, stress may be detected and measured by detecting and measuring the modulation of light passing through the optical fiber sensor while the stress is occurring.
摘要翻译： 一种光纤传感器，其具有中心芯，围绕中心芯设置的包层，以及位于芯和包覆层之间的铌酸锂薄膜。 每个包层和中心芯由具有不同折射率的玻璃材料制成。 当对光纤传感器施加应力时，铌酸锂薄膜的折射率发生变化。 因此，可以通过在发生应力的同时检测和测量通过光纤传感器的光的调制来检测和测量应力。
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