Abstract
A Photonic Doppler Velocimetry (PDV) is applied for determining the velocity of a free moving target accelerated by a strong shock wave and water flow generated by underwater electrical explosion of a planar wire array. Explosion of a planar Cu wire array was produced using a <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mu \mathrm{s}$</tex> -timescale generator with stored energies of ~3 kJ and ~6 kJ for different charging voltages, delivering to the array a current pulse with amplitudes of ~230 kA and ~330 kA and rise time of <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$-1\ \mathrm{\mu s}$</tex> .
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