A diagnostic system has been developed to obtain spatial and temporal profiles of shock front. A
two-stage light-gas gun is used to accelerate impactors in velocity range with 4–9 km/s. The system
consists of the Faraday-type electromagnetic sensors to measure impactor velocity, optical system
with high-speed streak camera to measure shock-wave velocities, and the delay trigger system with
self-adjustable pre-event pulse generator. We describe the specifications and performance of this
system and data-analysis technique on the tilt and distortion of the shock front. Finally, we obtained
the Hugoniot data of copper for system demonstration.
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