Fiber bragg grating bending sensor for monitoring stress deformation of flexible protective screen
The utility model relates to a fiber bragg grating bending sensor for monitoring the stress deformation of a flexible protective screen. The fiber bragg grating bending sensor has the advantages of high sensitivity, strong electromagnetic interference resistance and reliable measurement signal. The...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a fiber bragg grating bending sensor for monitoring the stress deformation of a flexible protective screen. The fiber bragg grating bending sensor has the advantages of high sensitivity, strong electromagnetic interference resistance and reliable measurement signal. The fiber bragg grating bending sensor comprises a plastic rod (10) and three paths of optical fibers (11, 12 and 13) fixedly arranged on the plastic rod in a circumferential direction at intervals of 120 degrees, wherein the three paths of optical fibers (11, 12 and 13) are respectively connected with two fiber bragg gratings (14) close to two ends of the plastic rod (10). |
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