Hydrophone is a receiver transducer used to receive acoustic signals and convert them into
electrical signals, and has been widely applied in the fields of ocean observation and …

This paper investigates a 1.7 mm diameter ultra-weak fiber Bragg grating (UWFBG)
hydrophone towed array cable for acoustic direction finding. The mechanism of the …

In this letter, the fabrication and characterization of a miniaturized optical hydrophone for
detecting underwater acoustic signals is demonstrated. A light emitter and detector are …

In this paper, a lightweight and fully distributed fiber-optic streamer with small channel
spacing based on the distributed acoustic sensing is developed and demonstrated for the …

Fiber-based distributed acoustic sensing (DAS) technique has recently captured great
attention of academia and industry. The fiber under test (FUT) gains extreme importance for …

摘要我国大型基础设施的建设规模已多年位居世界之首, 分布式光纤传感技术(DOFS)
作为大型基础设施健康状态实时监测最有潜力的技术, 近年来得到了迅速发展. 针对DOFS …

Acoustic sensitive optical cables (ASOCs) and their shape detection are vital in underwater
acoustic monitoring, and a distributed ASOC shape detection method is demonstrated with …

Target detection is significant in many fields, including oceanic security, marine ecology, etc.
In this paper, phase sensitive optical time domain reflectometry (Φ-OTDR) is introduced for …

In recent years, the unmanned aerial vehicle (UAV) has been widely applied in daily life, but
the “black flight” incidents happen frequently and even endanger public safety. Although the …

Precise control and measurement of the sand particles in sand-water two-phase flows are
essential for pipeline safety monitoring and economic accounting. Nowadays, the …