From Event: SPIE Commercial + Scientific Sensing and Imaging, 2018
A very high-speed fiber Bragg grating sensing system has been used to characterize energetic materials in card gap and Russian DDT tests1,2. This paper reviews the system capability of measuring the position, velocity, pressure, and temperature associated with energetic events. A readout system based on optical beam conditioning and high-speed detectors sends data from fiber Bragg grating sensors under extreme environments to a digital oscilloscope where events that occur on the order of a few nanoseconds can be resolved.
Ingrid Udd Scheel and Eric Udd, "Nanosecond resolution pressure, temperature, position, and velocity measurements in energetic materials," Proc. SPIE 10654, Fiber Optic Sensors and Applications XV, 106540O (Presented at SPIE Commercial + Scientific Sensing and Imaging: April 18, 2018; Published: 14 May 2018); https://doi.org/10.1117/12.2305532.
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