Laser pulses into bullets: tabletop shock experiments

Dlott, Dana D.

doi:10.1039/d2cp00418f

Cited by 6 publications

(1 citation statement)

References 82 publications

(149 reference statements)

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“…1 Laserdriven flyer plates can be used to produce such shock fronts on a laboratory benchtop with high experimental throughput. [2][3][4][5][6][7] In this work, we build on a previous iteration of a benchtop, laser-driven flyer plate system developed at ARL, to achieve higher launch velocities with larger flyer plates. 8 For the new system, we use a high-energy, pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, in conjunction with specialized optics, to produce a top-hat beam profile optimized for launching laser-driven flyer plates.…”

Section: Introductionmentioning

confidence: 99%

Investigating Shock Compression Phenomenon using Laser-Driven Micro Flyer Plates at DEVCOM Army Research Laboratory

De Lucia,

Mallick

2023

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We are interested in developing a tabletop, high-throughput experiment that will produce well-characterized planar shocks for understanding shock compression in Army-relevant materials. Laser-driven flyer plates can reach velocities on the scale of kilometers/second and deliver reproducible planar microshocks in a laboratory setting on a benchtop. In this study, a high-energy, neodymium-doped yttrium aluminum garnet-pulsed laser (up to 7.5 J, 10-ns pulse) system specifically designed for launching flyer plates is used. The effect of beam shape, beam diameter, and flyer material on the flyer plate launch, flight, and impact is monitored using several diagnostics including photon Doppler velocimetry, high-speed imaging, and light emission collection. It is important to have a well-characterized flyer plate to design experiments for shock compression studies of materials of interest.

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