Time-of-flight and UV spectroscopy characterization of laser-generated plasma

F. Caridi; L. Torrisi; L. Giuffrida

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Time-of-flight and UV spectroscopy characterization of laser-generated plasma

机译：激光产生等离子体的飞行时间和紫外光谱表征

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A study of laser ablation of different targets (Al, Ti, Mo, Au and polyethylene), in vacuum, by using 3 ns Nd:YAG laser radiation, at 1064 nm wavelength, is reported. The ion emission from the plasma was monitored through time-of-flight (TOF) measurements, performed by using an ion collector placed along the normal to the target surface. The deconvolution of the 1C experimental spectra with a Coulomb-Boltz-mann-shifted function permitted to evaluate the equivalent ion temperature and the acceleration voltage developed inside the non-equilibrium plasma.rnThe UV plasma emission, detected with an optical spectroscope, permitted to estimate the electronic temperature and density, to evaluate the Debye length and the temperature gradient in the laser-generated plasma plume.

机译：据报道，通过在1064 nm波长下使用3 ns Nd：YAG激光辐射在真空中对不同靶材（Al，Ti，Mo，Au和聚乙烯）进行激光烧蚀的研究。通过使用飞行时间（TOF）测量来监视等离子体的离子发射，该飞行时间是通过使用沿目标表面法线放置的离子收集器执行的。用库仑-玻尔兹曼位移函数对1C实验光谱进行反卷积，可以评估当量离子温度和在非平衡等离子体内部产生的加速电压.rn用光谱仪检测到的紫外线等离子体发射量可以估算电子温度和密度，以评估激光产生的等离子体羽流中的德拜长度和温度梯度。

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《Nuclear instruments and methods in physics research》 |2010年第5期|p.499-505|共7页
作者
F. Caridi; L. Torrisi; L. Giuffrida;
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作者单位

Facolta di Scienze MM. FF. NN., Universita di Messina, Salita Sperone, 31,98166 Messina, Italy;

Dipartimento di Fisica, Universita di Messina, Salita Sperone, 31, 98166 Messina, Italy INFN - Laboratori Nazionali del Sud, Via S. Sofia 44, Catania, Italy;

Dipartimento di Fisica, Universita di Messina, Salita Sperone, 31, 98166 Messina, Italy INFN - Laboratori Nazionali del Sud, Via S. Sofia 44, Catania, Italy;

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正文语种 eng
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关键词
laser-generated plasma; ion energy distribution; UV spectroscopy;

机译：激光产生的等离子体离子能量分布紫外光谱;

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Time-of-flight and UV spectroscopy characterization of laser-generated plasma

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