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In-Situ Explosion Shockwave Sensor
Tue, 07/02/2024 – 15:57


An impact sensor device and method to measure multiple explosion reaction zone data points in real-time during live explosive testing experiments.

Measuring how explosion shockwaves behave in different materials is key to studying their potential impact on surrounding areas. Traditional methods utilize flash x-rays, embedded pressure gauges, or timing pins. These methods become cost-prohibitive or technically inadequate in large-scale explosion experiments that exceed 100 pounds of explosive material.

The Fiber Light Relay System (FLRS) is an explosion impact sensor and software system that provides a simple, cost-effective method to collect and analyze shock measurements. When the explosive detonates, the fiber optic cable relays the shock output to a camera where the data is collected to calculate shock velocity and shock wave shape. This system can record data from hundreds of points with one or two cameras while the python software provides an accurate picture of the shock wave shape and travel behavior.

Technology Category
Transportation Security & Explosives Characterization

Stage of Development
Proven System

David Hernandez (DHS)
Karmen Noel Lappo (DOE)
Steven Wayne Bayley (DOE)
Mark R Nissen (DOE)
Cole Sandin (DOE)
Allen Dean Gorby (DOE)

US Patent number

Partnerships Sought

DHS Component
Science and Technology Directorate

Contact Information

For a more detailed description download the PDF below.


DHS Patented Technologies


Science and Technology


Science and Technology

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