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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12607458-B2, on 21 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000378

Fiber Bragg grating curvature sensing test device and test method thereof

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Sensors, Controls & Machine Vision › Position and Presence Sensing
Original source
US-12607458-B2, the United States Patent and Trademark Office, 21 April 2026
Document SHA-256
10cd59aa8709fef33dfaab818e7c70824e27bfea5667847f8994cb825bc971d1

Abstract

An FBG curvature sensing test device and a test method thereof are provided. The test device includes a test platform, an FBG demodulator, and a computer. The test platform includes an optical plate and two constraint components, test pieces are connected between two constraint components, where the constraint component includes an X-axis displacement stage, a Z-axis rotation stage and a fixture, the X-axis displacement stage is connected to the optical plate and can move along an X-axis direction, one end of the Z-axis rotation stage is connected to the X-axis displacement stage, and the other end of the Z-axis rotation stage is connected to the fixture; the FBG demodulator is configured to convert an optical signal of a wavelength change monitored by the FBG test line based on the deformation of the test piece into an electrical signal; the computer is coupled to the FBG demodulator.

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Citation

OpenTechnical Publication OT-2026-000000378, “Fiber Bragg grating curvature sensing test device and test method thereof,” published September 15, 2026 at 19:02:48 UTC, https://opentechnical.org/p/OT-2026-000000378.

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