偏振光纤干涉温度传感器的研究

Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI:10.1109/TENCON.1993.328036

J. Ho, S.G. Chen

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引用次数: 0

摘要

在各种光纤传感器中，基于干涉技术的传感器具有最高的灵敏度。然而，温度测量的范围受到其周期性的限制。本研究的目的是改善这种情况，并保持其高灵敏度。我们同时使用两个灵敏度稍有不同的干涉仪，测量光纤中两种基本模的相对相位差来确定温度。将两个干涉仪的输出信号相结合，达到了扩大可测温度范围的目的

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A study of polarimetric fiber-optic interferometric temperature sensor

Among the various fiber-optic sensors, the sensor based on interference technique has the highest sensitivity. However, the range of temperature measurement is limited by their periodic nature. The purpose of this research is to improve this situation, and still keep their high sensitivities. We use two interferometers with slightly different sensitivities simultaneously, and the relative phase differences between two fundamental modes in the fibers are measured to determine the temperature. The purpose of extending measurable temperature range is achieved by combining the output signals of those two interferometers.<>

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Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation

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