Effect of irradiation angle on the efficiency of formation of multiply charged ions in a laser-produced plasma
M.R. BedilovInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanKh. B. BeisembaevaInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanT. G. TsoiInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanT. B. SatybaldievInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Tashkent, UzbekistanM S SabitovInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan
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Mass spectrometry is used to investigate the emission behaviour and the characteristics of multiply charged ions in a plasma produced at small angles of incidence of laser radiation (α~20°) and also at grazing incidence (α~85°). It is found that upon grazing incidence of the laser radiation onto a target, the efficiency of production of multiply charged ions is reduced compared to that for α~20°. However, this geometry of laser irradiation of solids can be used for the elemental analysis of surface layers of a sample.
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