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Conferences > CLEOPR > 2017 > FGSI > s1150
  • 2017 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2017),
  • paper s1150

Shock-wave measurements with fiber Bragg gratings

Ehud Shafir, Garry Berkovic, Alex Fedotov-Gefen, Avi Ravid, Shlomi Zilberman, and Yonatan Schweitzer

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Abstract

Fiber Bragg Gratings may serve as diagnostic tools for shock waves, their response following the extreme and rapid pressure gradients. In accordance with basic theory, the relative orientation between the FBG and the shock front has a dramatic effect on the FBG response, even changing from a reduction to an increase of Bragg wavelengths. In order to match the shock-wave dimensions, short (~1mm) FBGs are used.

© 2017 Optical Society of America

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