20.500.12556/RUL-183355 Laser ablation in water for LIBS: effects of nanosecond pulse duration upon shock wave and cavitation bubble studied by laser beam transmission probe and total optical emission We investigated early dynamics of the shock wave, cavitation bubble, and plasma in underwater laser-induced breakdown spectroscopy (underwater LIBS), using a laser-beam transmission probe (LBTP) technique as well as total optical emission measurements. We examined the pulse duration effects on LBTP-related parameters and the optical emission intensity. The scattering peak observed in the LBTP signal up to 1 µs after the laser pulse is attributed to scattering from the shock wave combined with the scattering from the nascent bubble. We examined the correlation among the parameters extracted from LBTP and total optical emission intensity. The maximum of the total optical emission intensity (▫$E_{max}$▫) was correlated with the shock wave parameter (▫$S_{max}$▫) for long pulse irradiation, but not for short pulse. The results provide new insight that the expansion of nascent plasma and the enhancement of the shock wave are synergistic, and that this process can be controlled by the pulse duration on the nanosecond scale. laser ablation in water shock wave cavitation bubble laser beam transmission probe LBTP laser-induced breakdown spectroscopy LIBS nanosecond pulses laserska ablacija v vodi udarni val kavitacijski mehurčki laserska prepustnostna sonda spektroskopija lasersko povzročenega preboja nanosekundni pulzi true false true Angleški jezik Slovenski jezik Članek v reviji 2026-06-11 14:17:48 2026-06-11 14:17:56 2026-06-12 04:18:44 0000-00-00 00:00:00 2026 0 0 9 str. Vol. 132, art. 611 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 544.53:532.528 0947-8396 10.1007/s00339-026-09785-8 281326339 Sakka_..._Laser_ablation....pdf Sakka_..._Laser_ablation....pdf 1 246AC80810C199C13DA0B19EA8BE1D0D a25602fc2adda69a47081c45de514cf9e4b5702ddc3837393d467dd586f1fa28 cf56cf39-658f-11f1-9b0d-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=235370 https://link.springer.com/article/10.1007/s00339-026-09785-8 1 91c69a23-658f-11f1-9b0d-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=235369 Fakulteta za strojništvo 0 0 0