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ApplicationsSensing solutions for critical systems
Our fiber optic sensing platforms protect the infrastructure society depends on — with a special focus on railway systems.
Railway monitoring & signaling
We develop fiber-based monitoring for railway track and assets, and provide signaling consultancy. With our partners we design the most efficient policies for energy efficiency in railway transport.
- Track and rolling-stock condition monitoring
- Signaling system engineering and consultancy
- Energy-efficiency optimization per line and vehicle type
- Long-distance, real-time event detection
Railway energy efficiency
We design optimal energy strategies for railway systems, analyzing consumption per line and vehicle type. With our partners we create the most efficient policies to reduce energy use, operating cost and carbon footprint in rail transport.
- Energy analysis per line and vehicle type
- Optimal energy policies & strategies
- Regenerative braking and traction efficiency
- Lower operating cost and carbon footprint
Aircraft health monitoring
We pioneer aircraft and structural monitoring using advanced fiber sensors. Every design and prototype is purpose-built to meet a unique need.
- Structural strain and load monitoring
- Lightweight distributed sensing
- Custom prototypes per platform
- Research-driven development
Structural health monitoring (SHM)
SHM ensures the safety and integrity of infrastructure. Our solutions deliver real-time insight into buildings and bridges, enabling early fault detection.
- Real-time monitoring of buildings and bridges
- Early detection of structural issues
- Optimized, condition-based maintenance
- Extended asset lifespan and safety
Earthquake early-warning
Our FBG sensor technology detects seismic activity and delivers timely alerts over long distances, helping communities take proactive measures.
- Long-distance seismic detection
- Real-time data analysis
- Timely community alerts
- Reduced infrastructure damage
Medical temperature sensing
A dedicated DuyuSense team develops body-temperature tracking and warning systems for medical and wellbeing applications.
- Body-temperature tracking
- Warning and alert systems
- Compact fiber sensing
- Medical-focused R&D
Solution guides
Detailed, answer-first guides for each application area.
How does fiber optic railway monitoring work with DAS and FBG?
Railway monitoring with DAS and FBG: train tracking, broken rail, rockfall, wheel flat and cable theft detection. DuyuSense railway R&D and signaling advice.
Read the guideHow does subsea fiber-optic sensing with DAS work?
How subsea fiber-optic DAS detects anchor drag and fishing-gear strikes on power and telecom cables, and divers, ROVs and small vessels near ports and harbours.
Read the guideHow does fiber optic structural health monitoring work?
Fiber optic structural health monitoring: FBG strain, temperature and tilt sensors plus DAS vibration sensing for buildings, bridges, tunnels and dams.
Read the guideHow does fiber optic earthquake early warning work?
How DAS turns existing telecom fiber into a dense seismic array and FBG sensors measure ground acceleration: P-wave detection, early-warning uses, limits.
Read the guideHow does DAS monitor pipelines and secure perimeters?
DAS for pipeline leak detection, excavation and illegal tapping alerts, pig tracking, fence and border perimeter security, and buried power cable monitoring.
Read the guideHow do you monitor high-voltage power cables with fiber optics?
Fiber-optic monitoring of land and subsea HV power cables: DTS for hot spots and RTTR, DAS for excavation and anchor strikes, fault location and burial changes.
Read the guideCan existing telecom fiber be used as a sensor?
How existing telecom and dark fiber becomes a sensor network with DAS: traffic counting, excavation alerts, coexistence with data, privacy and business models.
Read the guideHow are FBG sensors used on railways? Axle counting and rail strain
FBG sensors on railways: axle counting, wheel flats, weigh-in-motion, pantograph-catenary, turnout and rail stress-free temperature monitoring. DuyuSense R&D.
Read the guideHow is fiber optic sensing used for landslide monitoring?
How DAS, FBG and Brillouin strain sensing monitor landslides, rockfall, dams, tunnels and tailings dams, with early warning thresholds and a sensor comparison.
Read the guideHow are wind turbine blade loads measured with fiber optic FBG?
FBG blade load and root bending moment sensing, tower and monopile SHM, and DAS/DTS offshore export cable monitoring for wind turbines. Lightning immune.
Read the guideHow does fiber optic leak detection work in water networks?
Fiber optic DAS for water main leak, burst and third-party damage detection. How it compares with acoustic loggers and correlators for non-revenue water.
Read the guideWhat is the difference between DAS and FBG?
What is the difference between DAS and FBG? Phase-OTDR, Bragg wavelength, spatial resolution, range, WDM multiplexing and DTS/Brillouin compared in one guide.
Read the guideWhat is an FBG interrogator and how do you choose one?
How FBG interrogators work, which specs to compare, how temperature compensation works and how to size an FBG sensing system. Engineer guide by DuyuSense.
Read the guideWhat do fiber optic sensing terms mean? A glossary
Fiber optic sensing glossary: short definitions of Rayleigh, Raman, Brillouin, phi-OTDR, OFDR, DTS, DAS, FBG, gauge length, spatial resolution and cable terms.
Read the guideQuick questions, direct answers
Which applications does DuyuSense serve?
We develop fiber optic solutions for railway monitoring and signaling, railway energy efficiency, subsea and underwater sensing, structural health monitoring, earthquake early warning, pipeline and perimeter security, aircraft health monitoring and medical temperature sensing.
Do you offer subsea and underwater solutions?
Yes. DuyuSense develops DAS-based solutions for diver and vessel detection and for protecting subsea cables against anchor and trawling damage, and is open to pilot projects.
How does a pilot project start?
Write to contact@duyusense.com with your requirement. We start with needs analysis and feasibility, then move to a prototype and field test. Our patents, designs and prototypes are ready for B2B collaboration.
Ready for fiber sensor solutions?
Our technology tracks heat, bending and strain across railways, borders, building integrity and aviation — and our team is ready for B2B collaboration and project partnerships.