Fixture for shape-sensing optical fiber in a kinematic chain

Details Fixture for shape-sensing optical fiber in a kinematic chain Fixture for shape-sensing optical fiber in a kinematic chain

2008-06-30

2010-10-19

Peng, Charlie (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

C606S002000

Reexamination Certificate

active

07815376

ABSTRACT:
Localized strain is effectively eliminated in a shape sensing optical fiber where the fiber exits a link in a kinematic chain. In one aspect, the fiber is positioned in a channel within a fiber fixture portion of the link, and a surface of a lip of the channel is curved. The curved surface of the lip begins tangent to a wall of the channel and has a maximum radius of curvature that is less than the minimum bend radius that the fiber will experience during shape sensing. In another aspect the fiber is positioned within a shape memory alloy tube that extends from the link.

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