| 温度场中应变光纤测试方法 |
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| 引用本文： | 邵立国,冯健,杨照东,董存祥.温度场中应变光纤测试方法[J].力学学报,1997,29(5):590-594. |
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| 作者姓名： | 邵立国 冯健 杨照东 董存祥 |
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| 作者单位： | 天津大学土木工程系 300072 |
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| 摘 要： | 研究温度变化时光纤应变测试系统中的传输光纤和感应光纤产生附加相位的问题推导出附加相位与温度变化的关系式，提出消除附加相位的补偿法通过实验分析证明了补偿法对消除附加相位是行之有效的，提高了测试精度
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| 关 键 词： | 光纤传感 应变 光纤应变测量 温度场 |
AN OPTICAL FIBER STRAIN SENSOR METHOD IN VARYING TEMPERATURE ENVIRONMENT |
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| Shao Liguo Feng Jian,Yang Zhaodong DongCunxiang,Qin Yuwen.AN OPTICAL FIBER STRAIN SENSOR METHOD IN VARYING TEMPERATURE ENVIRONMENT[J].chinese journal of theoretical and applied mechanics,1997,29(5):590-594. |
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| Authors: | Shao Liguo Feng Jian Yang Zhaodong DongCunxiang Qin Yuwen |
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| Institution: | Shao Liguo Feng Jian * Yang Zhaodong DongCunxiang ** Qin Yuwen |
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| Abstract: | The principle of the additional phase produced by transmissive light in conducting and sensory optical fibers is studied in this paper when variation of temperature is present Formula of additional phase with temperature changes were given in theoretical analysis A new compensatory method of eliminating the effect of additional phase is also presented The strain of a cantilever beam is measured to make use of all fiber Mach Zehnder interferometric sensor with compensative function It is verefied that the compensatory method is effective A high precision of measuring is obtained |
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| Keywords: | fiber sensor strain optical fiber strain sensor |
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