Plasma formation on the front and rear of plastic targets due to high-intensity laser-generated fast electrons

Plasma formation on the front and rear of plastic targets due to high-intensity laser-generated fast electrons

Novel features of plasma generation by 1 ps, 1 μm, ∼1019 Wcm-2 laser pulses on thick plastic targets are presented: (i) The electron distribution in the ablated plasma has a minimum along the target normal which persists long after the laser pulse (>1 ns); (ii) a narrow plasma jet is formed a...

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গ্রন্থ-পঞ্জীর বিবরন
প্রধান লেখক: Tatarakis, M, Davies, JR, Lee, P, Norreys, P, Kassapakis, N, Beg, F, Bell, A, Haines, MG, Dangor, A
বিন্যাস: Journal article
ভাষা:English
প্রকাশিত: 1998
বিবরন
সংক্ষিপ্ত:Novel features of plasma generation by 1 ps, 1 μm, ∼1019 Wcm-2 laser pulses on thick plastic targets are presented: (i) The electron distribution in the ablated plasma has a minimum along the target normal which persists long after the laser pulse (>1 ns); (ii) a narrow plasma jet is formed at the rear surface after a few picoseconds, in line with the laser focus. This is consistent with a beam of fast electrons traveling through the target, collimated by a magnetic field in the target.

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