Fiber optic Bragg grating strain gauge for application on...

Details Fiber optic Bragg grating strain gauge for application on... Fiber optic Bragg grating strain gauge for application on...

2008-05-27

2008-05-27

Bovernick, Rodney (Department: 2874)

Optical waveguides

Optical waveguide sensor

Including physical deformation or movement of waveguide

C385S037000

Reexamination Certificate

active

07379632

ABSTRACT:
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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