Ultrahigh scan-rate quasi-distributed acoustic sensing system using array match interrogation

N Arbel, D Tomarov, A Abadi, M Tur, A Eyal - Optics Express, 2022 - opg.optica.org
Inspired by compressed sensing techniques, a method for significantly enhancing the
maximum allowable scan rate in quasi-distributed acoustic sensing (Q-DAS) is described …

[HTML][HTML] 基于光脉冲编码的相位敏感光时域反射仪研究进展

刘纯野, 万安池, 梁永鑫, 蒋家林, 吴悦, 张滨… - Acta Optica …, 2024 - opticsjournal.net
摘要光脉冲编码(OPC) 近年来在光纤声波传感领域备受关注, 特别是将其与相位敏感光时域反射
仪(Φ-OTDR) 相结合的技术. 通过对注入光纤中的探测脉冲进行编码, 可在不增加脉冲峰值功率 …