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NEW FABRY-PEROT FIBER-OPTIC SENSORS FOR STRUCTURAL AND GEOTECHNICAL MONITORING APPLICATIONS.
| 题名： | NEW FABRY-PEROT FIBER-OPTIC SENSORS FOR STRUCTURAL AND GEOTECHNICAL MONITORING APPLICATIONS. |
| 作者： | Choquet-P; Leroux-R; Juneau-F |
| 关键词： | FIBER-OPTICS; SENSORS-; STRUCTURAL-RESPONSE; GEOTECHNICAL-ENGINEERING; MONITORING-; STRAIN-GAGES; DESIGN-FEATURES; ACCURACY-; REPEATABILITY-; CALIBRATIONS- |
| 摘要： | A new line of fiber-optic sensors suited for structural and geotechnical monitoring purposes is presented. A Fabry-Perot strain gauge in contained in each of the new sensors introduced here: four embedded and surface-type strain gauges and one type of temperature gauge. Described here are the working and reading principles of the basic Fabry-Perot strain gauge. One of the gauge's features that allows for temperature-compensated or noncompensated measurements is described, and the various sensors constructed around the gauge are presented. These newly developed sensors exhibit high accuracy and repeatability, as illustrated by various calibration tests reported here. |
| 总页数： | Transportation Research Record. 1997. (1596) pp39-44 (1 Phot., 7 Fig., 5 Ref.) |
| 报告类型： | 科技报告 |
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