Self-recovery of the transparency of a focusing lens in a laser mass spectrometer
M.R. BedilovResearch Institute of Applied Physics, National University of Uzbekistan, Vuzgorodok 3A, Tashkent, 700174, UzbekistanR.M. BedilovResearch Institute of Applied Physics, National University of Uzbekistan, Vuzgorodok 3A, Tashkent, 700174, UzbekistanM.M. SabitovResearch Institute of Applied Physics, National University of Uzbekistan, Vuzgorodok 3A, Tashkent, 700174, Uzbekistan
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An experience of operation of a laser mass spectrometer of multiply charged ions has shown an almost complete self-recovery of the transparency of a focusing lens (chamber window). Spectra of multiply charged ions from a W target recorded at laser-radiation-power densities on the surfaces of the lens and target of 2.5 × 106–1.2 × 107 and 2 × 1010–1012 W/cm2, respectively, do not change substantially even after 105 laser shots thanks to the self-recovery of the lens transparency.
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