PRISMA DAS - Fiber Optic Acousting Sensing platform

PRISMA DAS offer various kind of solutions in multiple verticals using Fiber Optic Acoustic Sensing Technologies ..

PRISMA – DISTRIBUTED ACOUSTIC SENSING


The Invisible Guardian: How Fiber Optic Acoustic Sensing is Redefining Global Security

In an era of increasing global complexity, protecting thousands of miles of "linear assets"—from national borders to subsea pipelines—requires more than just cameras and guards. PRISMA Distributed Acoustic Sensing (DAS) is the solutions . By sending laser pulses down a fiber optic cable and measuring the microscopic reflections (Rayleigh backscattering), DAS transforms a single strand of glass into thousands of virtual microphones.

Hardening the Line: Long-Range Border & Perimeter Security

Traditional border security relies on a line-of-sight sensors or expensive patrols. DAS offers a "covert" alternative:

  • Invisible Detection: Cables can be buried underground or mounted on fences, making them impossible for intruders to see or bypass.

 

  • Precision Intelligence: Using AI-driven algorithms, DAS doesn't just "hear" a noise; it classifies it. It can distinguish between a person walking, a vehicle idling, or someone attempting to tunnel beneath a wall—pinpointing the location within 5–10 meters over distances exceeding 100 km.

 

Aviation Safety: Airport Perimeters & Runways

 

Airports are high-stakes environments where a single breach or a piece of debris can be catastrophic.

  • Perimeter Intrusion Detection (PIDS): DAS provides 24/7 monitoring of sprawling airport boundaries, unaffected by rain, fog, or darkness.
  • Runway Security: Beyond the fence, DAS can monitor runway vibrations to track aircraft movement, taxiing speeds, and even identify unauthorized vehicle access on the tarmac in real-time.

 

Conservation in Motion: The Elephant-Train Anti-Collision System

In regions like Malaysia , India and Sri Lanka, trains passing through wildlife corridors often lead to tragic elephant fatalities.

  • Early Warning: DAS "hears" the heavy, rhythmic thud of an elephant’s footfall long before it steps onto the tracks.
  • Automated Response: When the system detects an elephant nearby, it automatically alerts train drivers to reduce speed or triggers localized sirens to steer the herd away, creating a high-tech safety net for endangered wildlife.

 

Energy Integrity: Oil Pipelines & Seismic Profiling

For the oil and gas industry, a leak isn't just a financial loss; it’s an environmental disaster.

  • Leak & Theft Detection: DAS detects the specific acoustic signature of a high-pressure leak or the mechanical vibrations of "hot tapping" (illegal siphoning) instantly.
  • Seismic Profiling: By analyzing ambient ground vibrations, DAS allows operators to create vertical seismic profiles (VSP), helping monitor reservoir health and subsurface changes without the need for expensive, dedicated seismic surveys.

The Pulse of Progress: Infrastructure Monitoring

From bridges and tunnels to smart city grids, DAS provides a "health check" for the structures we rely on daily.

  • Structural Health: It monitors strain and vibration in real-time, identifying cracks or shifts in bridges before they become visible to the naked eye.
  • Railway Performance: DAS tracks train positions, speeds, and even identifies "flat spots" on wheels or damaged rails, enabling predictive maintenance that saves millions in repair costs.

Why Fiber? The Strategic Advantage

Feature

Traditional Sensors

Fiber Optic (DAS)

Power

Requires power every few meters

Passive (No power needed in the field)

Interference

Vulnerable to EMI/Radio noise

100% immune to electromagnetic interference

Durability

High maintenance, prone to weather

Corrosion-resistant; 20+ year lifespan

Scale

Discrete points of data

Continuous monitoring (every meter)

The Bottom Line

Fiber optic acoustic sensing isn't just a monitoring tool; it's a proactive defense mechanism. Whether it's preventing a border breach, saving a majestic elephant, or stopping a pipeline leak, DAS provides the actionable intelligence needed to protect our world.

PRISMABYTES have over 25 year’s experience in Fiber Optic Intrusion detection field , CWDM, DWDM technologies , and are able to provide end to end solution in DAS Segment which includes all Ai based DL algorithm creation for various profiles , Neural Networks based Platforms, creation of GUI, Integration with CCTV , PSIM , GIS , Drone, 3rd party comm system and so on…

 

For more information pls contact bd@prismabytes.com

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