DISTRIBUTED FIBER SENSING · FROM SIGNAL TO INSIGHTwxbuliyuan@163.com ↗
LIGHTRAMANFIBER OPTIC SENSING
◎ English
Language中文 ↗English ✓Español ↗العربية ↗Português ↗Français ↗Deutsch ↗
APPLICATION INSIGHTS

Insights

Understand the technology and its limits to select a suitable monitoring approach.

01
Technical insights

Active-heating distributed fiber sensing for medium-state and micro-leak detection

For insulated and buried pipelines, waterproofing layers, soil moisture, district heating networks, vessel interlayers and media that are difficult to observe directly: apply controlled heat pulses to composite fiber cables, analyze differences in heating and cooling, and convert heat-transfer properties into spatially located distributed features.

02
Technical insights

Fiber sensing for aerospace composites and custom research applications

For aerospace composites, advanced equipment, research test benches, structures at extreme temperatures, radiation environments and custom multi-parameter experiments: use miniature passive fiber sensors and distributed arrays to measure temperature, strain, vibration and acoustic signatures without materially altering the structure.

03
Technical insights

Fiber-optic security monitoring for airports, ports and transport hubs

For airport perimeters, areas near runways, port terminals, yards, warehouses, terminals and transport-hub cable routes: locate vibration events along perimeters and critical corridors while monitoring yard, cable and equipment temperatures for coordinated security and asset protection.

04
Technical insights

Centimeter-scale DTS early warning of thermal runaway in battery energy storage

For electrochemical energy-storage plants, battery enclosures and racks, combiner cabinets, PCS enclosures, cable spaces and storage cabinets: obtain dense temperature profiles without adding active electrical sensing points inside the enclosure, detecting local hotspots, abnormal heating rates and heat propagation between zones.

05
Technical insights

Long-range distributed fiber perimeter monitoring for borders and remote areas

For borders, deserts, mountains, coastlines, long pipeline corridors and remote unattended areas: form a continuous linear array from a long single-ended fiber, identifying event location, direction and movement to support remote response.

06
Technical insights

BOTDA strain and vibration monitoring for bridges and major transport structures

For road and railway bridges, stay cables, main girders, piers, piles, expansion joints and critical connections: measure continuous structural strain and dynamic responses at critical points, distinguishing seasonal temperature effects from irreversible structural trends.

07
Technical insights

Fiber-optic fire and temperature monitoring for warehouses, cold stores and buildings

For logistics warehouses, lithium-battery stores, grain and cotton stores, cold rooms, archive and cultural-artifact storage and large public buildings: use passive fiber for continuous temperature sensing along racks, aisles, cables and critical areas, combining fire warning with temperature-field management.

08
Technical insights

DTS monitoring of coal spontaneous combustion and underground cable fires

For mine goafs, sealed areas, coal bunkers, underground cables, substations, roadways and seams prone to spontaneous combustion: continuously observe coal and cable temperatures, identifying slow heating and rapid local hotspots to supplement gas monitoring with spatial location.

09
Technical insights

Fiber-optic intrusion monitoring for power plants, substations and critical infrastructure

For perimeters, underground corridors and equipment areas at power plants, substations, nuclear facilities, communications hubs, important warehouses and other critical infrastructure: combine perimeter security with underground cable-temperature and critical-equipment acoustic monitoring for coordinated protection and asset-condition awareness.

10
Technical insights

Distributed fiber temperature and seepage monitoring for dams and levees

For embankment and concrete dams, levees, cutoff walls, galleries, foundations and joints: identify seepage-related heat-transfer differences through natural temperature measurements and active heating, combined with strain observations of structural change.

11
Technical insights

DAS seismic and ocean observation using subsea cables and urban dark fiber

For subsea telecommunications cables, urban dark fiber, research networks and coastal or terrestrial seismic monitoring routes: convert existing telecommunications fiber into a dense linear array that continuously records seismic waves, ocean activity, vessels and urban environmental vibration.

12
Technical insights

Fiber-optic safety monitoring for data-center power distribution and equipment rooms

For data-center high- and low-voltage distribution, busways, cable spaces, UPS battery areas, cold aisles, racks and cooling-water systems: combine power-system temperature, sensitive point measurements and environmental conditions in one asset view to detect and track localized anomalies early.

13
Technical insights

DAS monitoring of microseismicity, rockbursts and blasting in deep mines

For deep metal mines, coal workings, roadways, surrounding rock, blasting areas and critical supports: use long-range DAS as a dense array to record microseismic and blast wavefields, supplemented by point sensors at critical locations.

14
Technical insights

Fiber sensing teaching laboratories, research platforms and custom instruments

Reproducible teaching and research experiments using DTS, DAS, BOTDA/BOTDR, FBG and silicon photonic sensing, with traceable data and clearly defined interfaces.

15
Technical insights

Integrated fiber safety monitoring for hazardous-material storage and loading

For hazardous-material warehouses, tanker loading areas, tank-farm pipe racks, pump rooms, valve groups, site boundaries and logistics routes: monitor thermal anomalies, leak sounds, machinery vibration and perimeter events continuously through storage, transport and loading.

16
Technical insights

All-fiber safety monitoring for hydrogen electrolyzers, storage and transport

For hydrogen electrolyzers, hydrogen pipelines, compressors, storage-cylinder banks, cryogenic and high-pressure refueling areas and power facilities: use passive fiber sensing links designed for intrinsic safety to continuously observe temperature, vibration, acoustics and structural changes, providing early risk indications for hydrogen facilities.

17
Technical insights

Fiber safety monitoring for hydropower, pumped storage and hydraulic structures

For water conveyance, powerhouses, penstocks, cable corridors, dams, slopes and underground caverns at hydropower and pumped-storage plants: combine temperature, vibration, strain and sensitive point measurements across long corridors, structural sections and critical equipment.

18
Technical insights

Centimeter-scale DTS monitoring for furnaces, boilers and hot pipelines

For industrial furnaces, boilers, induction furnaces, rotary kilns, insulation structures, hot pipelines, steam systems and thermal equipment: build continuous thermal profiles to locate small hotspots and insulation defects and observe anomaly growth and recovery after repair.

19
Technical insights

DAS perimeter intrusion monitoring for industrial parks and critical sites

For physical and underground boundaries at industrial parks, tank farms, warehouses, data centers, airports, prisons and important facilities: continuously locate people and construction events along a perimeter, using acoustic classification and video verification to reduce conventional vibration-fence false alarms.

20
Technical insights

Fiber monitoring of cryogenic leaks and critical facilities at LNG terminals

For LNG tanks, loading arms, cryogenic pipes, vaporizers, valve groups, collection channels and associated cable routes: use continuous thermal profiles to locate cold anomalies and their spread, with acoustic and vibration signals supporting identification of valve, pump and leak events.

21
Technical insights

Fiber monitoring of leaks, third-party damage and geohazards along oil and gas pipelines

For long-distance crude-oil, refined-product and natural-gas pipelines, stations, valve chambers, crossings, geohazard sections and parallel fiber routes: use DAS to recognize leak and interference acoustics, DTS for leak-related thermal effects, and BOTDA for slow strain changes and geological displacement.

22
Technical insights

Fiber monitoring of railway cables, track vibration and third-party intrusion

For metro tunnels, high-speed rail routes, trackside cables, station equipment areas, traction-power routes, track beds and areas near construction: continuously monitor cable temperature and route acoustics, distinguishing trains, people, construction and abnormal impacts through spatial and temporal tracks.

23
Technical insights

DTS and DAS predictive maintenance for mine belt conveyors

For long belt conveyors, idlers, drives, transfer points and loading areas in coal mines, metal mines, cement plants and ports: locate thermal anomalies with DTS, continuously observe route acoustics with DAS and improve drive and critical-idler condition recognition using acoustic sensors.

24
Technical insights

BOTDA strain and DAS vibration monitoring for mine roadways and surrounding rock

For mine roadways, workings, rock masses, rock-bolt supports, shafts, underground caverns and critical intersections: continuously measure strain in rock or support structures and use DAS for dynamic fracture events, linking gradual trends with sudden disturbances.

25
Technical insights

Integrated monitoring for nonferrous metallurgy, cement and energy-intensive production

For furnaces, cables, conveyors, mills and storage facilities in aluminum, copper, cement, glass, ceramics and material production: cover thermal and fire risks with DTS and monitor long conveyors and rotating machinery using DAS and silicon-photonic sensing.

26
Technical insights

Temperature, vibration and strain monitoring for offshore wind and subsea cables

For offshore array and export cables, landfalls, joint chambers, turbine foundations and onshore control centers: jointly observe temperature fields, external acoustic events and slow strain changes to locate and track thermal faults, third-party activity and structural changes.

27
Technical insights

Combined downhole temperature and pressure sensing with DTS and fiber F-P sensors

For oil and gas wells, thermal-recovery wells, geothermal wells, injection/production wells, wellbores and surface acquisition systems: obtain continuous wellbore thermal profiles with one or more fiber cables and add F-P pressure points at critical depths for combined interpretation.

28
Technical insights

Fiber monitoring of wire breaks, leaks and structural safety in PCCP water pipelines

For PCCP water mains, socket joints, valve chambers, crossings, geologically sensitive sections and major water-supply projects: use acoustic events as wire-break and leak indications, distributed strain for pipe loading changes and supplementary temperature monitoring in critical sections.

29
Technical insights

Multi-parameter fiber safety monitoring for petrochemical facilities and chemical parks

For refinery process areas, shared pipe racks, power cables, process lines, tank farms, warehouses and site boundaries: build an all-fiber network that cross-checks temperature, acoustics, strain and point acoustic signatures across continuous routes and critical equipment.

30
Technical insights

Distributed fiber temperature monitoring for power cables and utility tunnels

For high-voltage cables, intermediate joints, terminations, cable trays, cable trenches and urban utility tunnels: form continuous temperature profiles, locate abnormal heating, distinguish steady load heating from rapid thermal faults and map alarms to cable identifiers and maintenance sections.

31
Technical insights

Fiber safety monitoring for cables and critical assets in thermal, hydro and nuclear power plants

For cable routes, generators and transformers, main powerhouses, critical pipes, dams and auxiliaries in thermal, hydro and nuclear plants: build a passive fiber network for temperature, vibration and strain across continuous routes and critical points, retaining complete data before and after incidents.

32
Technical insights

Fiber sensing for photovoltaic plants, charging facilities and distributed energy

For utility-scale and distributed photovoltaic plants, inverter and step-up units, collector circuits, charging stations, charging cabinets and renewable-energy site distribution systems: establish continuous temperature sensing from cables to equipment connections, identify abnormal heat sources and relate trends to generation, charging load and environmental conditions.

33
Technical insights

DTS fire early warning for refinery and chemical-plant power cables and substations

For power cables, substations, trays, shafts, cable interlayers and areas near hot processes in refineries and chemical plants: continuously observe cable temperature and localized heating, identify early anomalies at joints and high-load sections, and provide precise locations for fire-response zones.

34
Technical insights

All-fiber fire and operational safety monitoring for road and railway tunnels

For road tunnels, railway tunnels, urban underpasses, service corridors, cable trenches and portal slopes: use DTS to locate thermal anomalies and track heat propagation, DAS to recognize collisions and intrusion events, and BOTDA to track slow strain changes in linings or slopes.

35
Technical insights

Temperature, strain and vibration monitoring for slopes, landslides and geohazards

For road and reservoir-bank slopes, landslide bodies, stabilizing piles, anchor cables, drainage structures and geohazard sites: observe developing deformation zones with distributed strain, record fracture and rockfall events with DAS, and use DTS to help assess moisture and freeze-thaw effects.

36
Technical insights

Fiber sensing for cable temperature and equipment condition across steel production

For cable interlayers, trays, hydraulic stations, conveyors and hot-process facilities in ironmaking, steelmaking, continuous casting, rolling and sintering areas: continuously monitor cable and process-area temperature while using acoustic and vibration signals to observe rotating equipment and conveyors.

37
Technical insights

Centimeter-scale DTS temperature and fire monitoring for large oil and chemical tanks

For external- and internal-floating-roof oil tanks, spherical tanks, molten-salt or chemical tanks, shell seals, tank bottoms and tank-farm cables: create high-density temperature paths around seals and critical tank elevations, locate small hotspots and observe their spread.

38
Technical insights

Multi-parameter fiber monitoring for substation GIL, busbars and transformers

For substation GIL/GIS, bus ducts, main transformers, cable terminations, tower foundations and critical station equipment: combine long-distance continuous temperature monitoring with sensitive acoustic and vibration sensing at key points, associating heating, abnormal sound and structural trends with equipment bays.

39
Technical insights

Leakage and deformation monitoring for tailings dams and slurry pipelines

For tailings dams, flood-discharge facilities, return-water systems, tailings pipelines, pumping stations and reservoir-area slopes: use DTS to observe seepage-related thermal anomalies, DAS to listen for pipe leaks and mechanical events, and BOTDA to track dam and pipe strain.

40
Technical insights

Multi-hazard fiber sensing and rescue-support localization in underground coal mines

For main roadways, production areas, conveyors, goafs, cables, ventilation doors, refuge chambers and critical working faces: combine temperature, acoustic/vibration and strain data within one distance-coordinate system to support routine mine safety and post-incident rescue.

41
Technical insights

Urban lifeline monitoring for excavation damage, underground pipelines and public safety

For urban underground gas, water, heating, power and communications networks, utility tunnels, roadworks and critical public spaces: continuously locate construction and potential leak events along urban lifelines, using temperature and acoustic/vibration information to help identify affected assets and evolving risks.

42
Insights

Cable tray and transformer temperature monitoring

Distributed Fiber Optic Temperature Sensing (DTS) technology plays a significant role in temperature monitoring of cable trays and transformers. Cable trays are used for supporting and protecting power cables, while transformers play a crucial role in energy conversion and distribution within the power system.

43
Insights

Coal mine safety

In the coal mining industry, safety monitoring has always been a critical task. Temperature is one of the important parameters in coal mine safety monitoring as high-temperature environments can pose risks of fire and explosions.

44
Insights

Coal storage yard

Coal storage yards are areas used for storing coal and are commonly found in industrial sectors such as power plants, steel mills, and chemical plants. Temperature monitoring and control in coal storage yards are crucial for ensuring the quality and safety of coal.

45
Insights

Conveyor belt

Conveyor belts play a crucial role in industrial and logistics sectors, used for transporting various items and materials. However, conveyor belts can be affected by temperature variations during operation, which can result in reduced performance, material deformation, malfunctions, or damage.

46
Insights

Data center

The application of distributed fiber optic temperature sensing technology in data center monitoring is crucial for ensuring temperature management and the safe operation of equipment within data centers.

47
Insights

Distributed fiber optic temperature measurement geothermal monitoring

Geothermal energy, as a renewable energy source, has broad prospects for applications including geothermal heating, geothermal power generation, and utilization of hot springs.

48
Insights

HVDC and HVAC underground power cables

HVDC (High Voltage Direct Current) and HVAC (High Voltage Alternating Current) underground power cables are essential equipment used for power transmission and distribution systems, widely applied in energy transmission and distribution systems.

49
Insights

New energy battery compartment

Temperature monitoring in the new energy battery warehouse is a critical measure for ensuring the safety and performance of large-scale energy storage systems and electric vehicle (EV) batteries.

50
Insights

Nuclear power safety protection

As an important energy supply facility, nuclear power plants have significant implications for society and the environment. Ensuring the safety and stability of nuclear power plants is of paramount importance. Accurate and timely monitoring and warning of key parameters are crucial for maintaining their safe operation.

51
Insights

Determining the location of offshore risks and faults.

In offshore wind farms, the safe and reliable operation of offshore wind turbine systems is of paramount importance. However, the complexity and harsh conditions of the offshore environment can lead to equipment failures and potential risks.

52
Insights

Offshore platform monitoring

Offshore platforms are artificial structures built in the ocean for the extraction of oil and gas, offshore wind power generation, and other marine resource development.

53
Insights

Oil downhole exploration

Downhole detection and reservoir data analysis are crucial aspects of oil exploration and production processes. By monitoring temperature and strain variations downhole, key data regarding reservoir properties, wellbore conditions, and fluid flow can be obtained.

54
Insights

Distributed fiber optic temperature sensing for overhead line monitoring

Distributed fiber optic temperature sensing for overhead line monitoring

55
Insights

Petrochemical storage tank temperature monitoring

With the increase in the storage capacity of chemical tanks, there are more and more large-scale chemical storage tanks in domestic chemical plants. The safety of chemical storage tanks has always been a highly regarded issue by various departments and enterprises in the chemical industry.

56
Insights

Pipeline sabotage with third parties

In pipeline systems, pipeline damage caused by third parties is a common issue. Third-party damage includes activities such as construction work, excavation projects, building activities, or other external factors that result in damage to the pipeline.

57
Insights

Power Cable Temperature Monitoring

Power cables in power plants and substations, including cable trays, cable tunnels, cable interlayers, cable trenches, cable shafts, switchgear, transformers, and resistance banks, can age and cause fires due to heating under long-term high voltage conditions.

58
Insights

Safety protection for subways, railways, and highway tunnels

In transportation infrastructure such as subways, railways, and highway tunnels, safety is of paramount importance. These tunnels often have enclosed environments and complex structures, and changes in temperature and vibration can have a significant impact on their safety and reliability.

59
Insights

Simultaneous measurement of downhole temperature and pressure

Underground environments typically have extreme conditions such as high temperatures, high pressures, and toxic gases. Therefore, accurate monitoring of temperature and pressure variations is crucial for preventing accidents and ensuring the safety of personnel.

60
Insights

Submarine power cables and substation equipment.

Submarine power cables and substation equipment are key components of marine energy development and underwater power transmission.

61
Insights

Temperature Monitoring in Power Plants and Nuclear Power Plants

Distributed fiber optic temperature sensing technology has significant applications in power plants and nuclear power plants.

62
Insights

Temperature Monitoring in Refining and Petrochemical Plants

Refining and petrochemical plants are crucial components of the energy and chemical industries. They are used to process crude oil and other chemicals to produce various fuels, lubricants, chemicals, and other petrochemical products.

63
Insights

Temperature Monitoring of Bus Ducts and Warehouse Units

Distributed optical fiber temperature sensing technology plays a crucial role in the monitoring of bus ducts and warehouse units.

64
Insights

Temperature Monitoring in Tunnels, Subways, and Parking Lots

Tunnels, subways, and parking lots are common facilities found in modern cities, serving specific functions and purposes. However, they face certain safety challenges during their daily operations, with one of the main concerns being the risk of fire.

65
Insights

Underground flow control

Underground pipelines and fluid systems are widely used in various fields such as water supply, gas supply, and oil supply. Accurate monitoring and control of flow rates are crucial for ensuring the safety and efficiency of these systems.

66
Insights

Underground pipeline leak monitoring

Underground pipeline systems are crucial components of essential infrastructure for water supply, gas supply, oil supply, and more. However, these pipeline systems can experience leaks due to various reasons such as aging, corrosion, external damage, and more.

67
Insights

Warehouse and freezer

The application of distributed fiber optic temperature sensing technology in warehouses and cold storage facilities provides an important solution for temperature monitoring and management.

68
Insights

Water conservancy project monitoring

Water conservancy engineering refers to the field of engineering that involves the planning, development, management, and utilization of water resources.

69
Insights

Shougang Flue Gas Desulfurization Project: Cable and Switchgear Fiber Optic Temperature Monitoring System

Shougang Flue Gas Desulfurization Project: Cable and Switchgear Fiber Optic Temperature Monitoring System

70
Insights

hazardous chemical warehouse heat warning

Chemical warehouses are facilities used for storing and managing hazardous chemicals, including flammable, explosive, toxic, and corrosive substances.

71
Insights

Distributed Fiber Optic Temperature Monitoring Solution for Power Plant Cable Trenches and Cable Trays

Distributed Fiber Optic Temperature Monitoring Solution for Power Plant Cable Trenches and Cable Trays

LET'S BUILD YOUR SOLUTION

Your site. Our next conversation.

Tell us about your assets and requirements. Let’s find the right sensing approach.

CONTACT OUR TEAM

Solution consultation

Tell us what you need. Our sales team will get in touch.

Emailwxbuliyuan@163.comPhone+8618651589558WhatsAppStart a conversation ↗