It is shown that during initiation of explosion of pentaerythritol tetranitrate (PETN) by the second harmonic of a laser, the primary process of energy absorption is ionization of PETN molecules by the mechanism of two-photon absorption. Possibility of regulating the PETN sensitivity by adding nickel nanoparticles to laser irradiation is established.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 55–58, August, 2015.
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Aduev, B.P., Nurmukhametov, D.R., Furega, R.I. et al. Initiation of Explosion of Pentaerythritol Tetranitrate by Pulses of the First and Second Harmonics of a Neodymium Laser. Russ Phys J 58, 1093–1097 (2015). https://doi.org/10.1007/s11182-015-0617-3
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DOI: https://doi.org/10.1007/s11182-015-0617-3