Key domestic companies providing fiber optic vibration sensors include Hikvision, VIAVI Solutions, Sensonic, and FISO, offering solutions for perimeter security, infrastructure monitoring, and industrial applications.

Hikvision

Hikvision offers fiber optic products that detect environmental changes using light waves, ideal for perimeter intrusion detection over long distances. Their systems can trigger vibration alarms linked to video review, enhancing security monitoring. They also provide fiber-optic temperature sensing for industrial and infrastructure applications, ensuring continuous, accurate monitoring with reduced maintenance costs and high operational efficiency .

VIAVI Solutions

VIAVI provides a range of Distributed Acoustic Sensing (DAS) and Distributed Temperature and Strain Sensing (DTSS) solutions. Their technology uses Brillouin, Raman, and Rayleigh OTDR methods to detect vibrations, temperature, and strain along fiber optic cables. VIAVI's systems are widely used for pipeline monitoring, power cable inspection, and telecom infrastructure protection, offering portable and rack-mounted solutions for field and remote monitoring .

Sensonic

Sensonic specializes in fiber optic vibration sensing for railways, using Distributed Acoustic Sensing (DAS) combined with AI and machine learning. Their solutions monitor track conditions, detect trespass, cable security events, and natural hazards like landslides or rockfalls. Sensonic's SonicTwin® digital twin technology enables rail operators to make data-driven decisions, providing a simple rollout with just power, internet, and fiber optic cable .

FISO

FISO develops and manufactures fiber optic sensors and signal conditioners for applications in medical, energy, process control, and R&D. Their products are designed for high-precision monitoring and are used in both laboratory and industrial environments. FISO also provides expert support to help customers select the right fiber optic sensing solutions for their projects .

Advantages of Fiber Optic Vibration Sensors

Fiber optic vibration sensors offer several benefits over traditional sensors:

• Large-scale monitoring with long-distance coverage
• Immunity to electromagnetic interference, suitable for harsh environments
• High flexibility and concealment, allowing installation in challenging locations
• Corrosion resistance and low maintenance, reducing operational costs
• High accuracy and real-time monitoring, critical for infrastructure and security applications . These domestic companies provide a range of fiber optic vibration sensing solutions suitable for industrial, security, and infrastructure monitoring, leveraging advanced technologies like DAS, AI, and distributed sensing to deliver precise and reliable data.