准整数比扩时φOTDR每秒2500万次传感测量

27th International Conference on Optical Fiber Sensors Pub Date : 1900-01-01 DOI:10.1364/ofs.2022.tu1.2

M. Soriano-Amat, H. Martins, V. Durán, S. Martín-López, M. González-Herráez, M. Fernández-Ruiz

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引用次数: 0

摘要

我们演示了通过准整比时间扩展φOTDR沿500 m光纤以2 cm空间分辨率和1 kHz采样频率检测应变扰动，所需的光探测带宽小于100 MHz。

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25 Million Sensing Measurements Per Second Using Quasi-Integer Ratio Time-Expanded φOTDR

We demonstrate the detection of strain perturbations along a 500 m optical fiber with 2 cm spatial resolution and 1 kHz sampling frequency via quasi-integer-ratio time-expanded φOTDR, requiring less than 100 MHz photodetection bandwidth.

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27th International Conference on Optical Fiber Sensors

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