Improving Prediction Accuracy and Extraction Precision of Frequency Shift from Low-SNR Brillouin Gain Spectra in Distributed Structural Health Monitoring
In this paper, we studied the possibility of increasing the Brillouin frequency shift (BFS)
detection accuracy in distributed fibre-optic sensors by the separate and joint use of different …
detection accuracy in distributed fibre-optic sensors by the separate and joint use of different …
Probe pulse design in Brillouin optical time‐domain reflectometry
Brillouin optical time‐domain reflectometry (BOTDR) is a branch of distributed fibre‐optic
sensors, and it can measure the strain and the temperature information, localised by the …
sensors, and it can measure the strain and the temperature information, localised by the …
Improving the Brillouin frequency shift measurement resolution in the Brillouin optical time domain reflectometry (BOTDR) fiber sensor by artificial neural network (ANN …
We propose to use an artificial neural network (ANN) model to improve the Brillouin
frequency shift (BFS) resolution of the sub-meter spatial resolution differential cross …
frequency shift (BFS) resolution of the sub-meter spatial resolution differential cross …
The effect of pulse duration on the Brillouin frequency shift accuracy in the differential cross-spectrum BOTDR (DCS-BOTDR) fiber sensor
In this paper, we report the effect of pulse duration on the Brillouin frequency shift (BFS)
accuracy measurement in our previously proposed differential cross-spectrum Brillouin …
accuracy measurement in our previously proposed differential cross-spectrum Brillouin …
Mitigating probe pulse deformation in Raman amplification in OTDR fiber sensing systems
Z Wang, MH Vandborg, T Joy, NM Mathew… - Optics …, 2023 - opg.optica.org
We report the numerical and experimental study of probe pulse deformation in a forward-
pumped distributed Raman amplifier on a 40-km standard single mode fiber. Distributed …
pumped distributed Raman amplifier on a 40-km standard single mode fiber. Distributed …
Flat frequency comb generation employing cascaded single-drive Mach–Zehnder modulators with a simple analogue driving signal
M Muhanad Fadhel, H Rashid… - Journal of Modern …, 2021 - Taylor & Francis
A scheme, using two-single drive Mach–Zehnder modulators (SD-MZMs) to generate flat
optical frequency comb (OFC) by an analogue driving signal, is experimentally …
optical frequency comb (OFC) by an analogue driving signal, is experimentally …
[PDF][PDF] 分布式光纤传感器的编码技术研究
林全聪， 程凌浩， 吕杰， 张天放， 梁浩， 关柏鸥 - Acta Optica Sinica, 2024 - researching.cn
摘要基于光纤中的瑞利, 布里渊, 拉曼等散射效应以及弱反射阵列的分布式光纤传感(DOFS)
能够对光纤损耗, 温度, 应变, 振动, 声音等多种参量实现长距离, 高空间分辨率的实时监测 …
能够对光纤损耗, 温度, 应变, 振动, 声音等多种参量实现长距离, 高空间分辨率的实时监测 …
Long-range and high spatial resolution Brillouin time domain sensor using oversampling coding and deconvolution algorithm
Brillouin optical time domain reflectometer is widely used due to the advantage of single-
ended input, but facing the trade-off between sensing distance, spatial resolution, and …
ended input, but facing the trade-off between sensing distance, spatial resolution, and …
Improving the performance of Brillouin scattering-based distributed fiber optic sensors: Recent advancement
Brillouin scattering-based distributed fiber optic sensor technology is an interesting
technique for measuring temperature and strain in distributed manner. This technique has …
technique for measuring temperature and strain in distributed manner. This technique has …