Resources
Technical articles, application cases and practical guides on distributed fiber optic sensing — DAS, DTS, DTSS-BOTDR, OFDR and in-service OTDR fiber monitoring (RFTS).
Technology Principles
4 articles
How DAS Achieves 86 km Long-Distance Monitoring: A Deep Dive into Distributed Acoustic Sensing
DAS (Distributed Acoustic Sensing) turns a single ordinary fiber into a continuous array of "microphones" — every point along the…
Read articleHow DTS Achieves 0.8 m Spatial Resolution: A Deep Dive into Raman-Scattering Temperature Sensing
DTS (Distributed Temperature Sensing) exploits the temperature sensitivity of Raman scattering to turn every meter of a tens-of-k…
Read articleDTSS-BOTDR Explained: How Brillouin Scattering Senses Strain and Temperature Simultaneously
DTSS-BOTDR (Distributed Temperature and Strain Sensing) is built on Brillouin optical time-domain reflectometry. With a single fi…
Read articleOFDR Explained: High-Precision Short-Range Fiber Sensing via Optical Frequency Domain Reflectometry
OFDR (Optical Frequency Domain Reflectometry) uses a frequency-swept laser and coherent detection to push spatial resolution to t…
Read articleApplication Cases
5 articles
Conveyor Belt Monitoring and Fire Detection: Intelligent Protection for the Mining and Port Conveyor Lifeline
The core value of conveyor monitoring is turning "we only learn a roller has failed when the line stops" into "we get warned befo…
Read articleIn-Service OTDR Fiber Monitoring (RFTS): From Reactive Repair to Proactive Warning
The value of in-service OTDR fiber monitoring — the remote fiber test system (RFTS) — is moving cable O&M from "repair after a br…
Read articlePower Cable Fire Detection and Temperature Monitoring: A Deep Comparison of Technical Routes
The core goal of cable temperature monitoring is to catch anomalies before overheating evolves into fire. Distributed Temperature…
Read articleThird-Party Damage Early Warning for Oil & Gas Pipelines: A Full Technical Analysis
The core value of pipeline third-party intrusion detection — third-party damage (TPI) early warning — is turning "repair after th…
Read articleTunnel and Bridge Structural Health Monitoring: Fiber Sensing Guarding Transport Lifelines
The core task of structural health monitoring (SHM) is upgrading tunnels and bridges from "periodic checkups" to "continuous ECG…
Read articleGuides
4 articles
A Guide to Selecting Distributed Fiber Optic Sensing Systems: From Scenario Requirements to Deployment
The first step in fiber optic sensing selection is always to define the monitoring target and the physical quantity — not to comp…
Read articleMonitoring the Operational Effectiveness of Fiber Optic Sensing Systems: Making Every Alarm Traceable
The truth about fiber optic sensing O&M is this: installing a system does not mean the system is working effectively. Many projec…
Read articleDeploying a Pipeline Third-Party Intrusion Detection System: Practical Essentials from Survey to Acceptance
Pipeline monitoring system deployment succeeds or fails on the details. Before deployment, you must understand the pipeline type,…
Read articleA Practical Guide to AI Upgrading Existing DAS/DVS Equipment: How AI Sentry™ Works
The most common demand behind upgrading existing DAS equipment is this: the system installs and reports, but reports inaccurately…
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