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Fiber optic Bragg grating strain gauge for application on structures with compliant surface covering
Fiber optic Bragg grating strain gauge for application on structures with compliant surface covering
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机译:光纤布拉格光栅应变仪,用于具有顺应性表面覆盖物的结构
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摘要
An optical measurement device for measuring strain related to deformation of a deformable surface of a component. The optical measurement device includes a fiber tension structure including opposing longitudinal end sections attached to the deformable surface. An optical fiber is tensioned by the fiber tension structure and includes a section defining a Bragg grating. The fiber tension structure includes a displaceable portion for forming a structural break between the longitudinal end sections where the fiber tension structure separates to form a gap between the first and second longitudinal end sections. The longitudinal end sections are movable independently of each other after formation of the structural break in the fiber tensioning structure.
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