Laser离子源阱（LIST）耦合到气室捕集器
The Laser Ion Source Trap (LIST) coupled to a gas cell catcher
摘要：
激光离子源阱（LIST）耦合到一个气体细胞捕捉器系统的原理证明已在鲁汶同位素分离器在线（LISOL）。实验采用改进的气室激光离子源和SextuPole离子导向器（SPIG）进行。中性原子的元素选择共振激光电离发生在气室捕集器外膨胀的冷喷流内部。激光路径的取向在纵向以及横向几何相对于原子流。在离线和在线条件下研究了提高光束纯度的方法和用于光源内光谱分析的可行性。
英文摘要：
The proof of principle of the Laser Ion Source Trap (LIST) coupled to a gas cell catcher system has been demonstrated at the Leuven Isotope Separator On-Line (LISOL). The experiments were carried out by using the modified gas cell-based laser ion source and the SextuPole Ion Guide (SPIG). Element selective resonance laser ionization of neutral atoms was taking place inside the cold jet expanding out of the gas cell catcher. The laser path was oriented in longitudinal as well as transverse geometries with respect to the atoms flow. The enhancement of beam purity and the feasibility for in-source laser spectroscopy were investigated in off-line and on-line conditions.
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