Abstract
A fiber-optic interferometer is developed to investigate shock waves in brass foil impacted by a Neodymium:Yttrium–Aluminium–Garnet (Nd:YAG) laser at a wavelength of 1064 nm and pulse width (FWHM) of 7 ns. Because of introduction of an optical transceiver module, the interferometer is compact and reliable. Appreciable signals due to shock waves have been detected using this interferometer. The shock-wave velocity is deduced from the measured arrival times of shock waves in brass foils with different thicknesses (0.200 and 0.300 mm), and is found to be 8.33 km/s.
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