现代应用物理2025，Vol.16Issue(6)：1-7,7.DOI:10.12061/j.issn.2095-6223.202508030
激光共振电离技术在锕系元素研究中的应用进展
Progress of the Application Research of Laser Resonance Ionization Technology in Actinide Element
摘要
Abstract
Laser resonance ionization spectrometry(LRIMS),characterized by high sensitivity and high selectivity,has been widely applied in research on the atomic structure,nuclear properties,and spectral characteristics of actinides.This paper briefly introduces the basic principle of resonance ionization and reviews various complementary laser resonance ionization spectroscopy techniques developed for actinide research.It elaborates on the self-developed laser resonance ionization spectroscopy and mass spectrometry platform as well as its key technologies,and establishes LRIMS measurement techniques for ultra-trace and low-abundance actinide nuclides such as 233U,236U,238Pu,and 236Np.The results show that LRIMS achieves a detection limit at the sub-femtogram level for actinide measurement.It significantly outperforms traditional mass spectrometry techniques such as thermal ionization mass spectrometry(TIMS)and inductively coupled plasma mass spectrometry(ICP-MS)in effectively suppressing isobaric interference,polyatomic ion interference,and strong peak tailing interference.Thus,it has become an effective method for the analysis of ultra-trace or ultra-low-abundance nuclides under complex matrix interference.关键词
激光共振电离/锕系元素/激光光谱/质谱测量/高灵敏度/高选择性Key words
laser resonance ionization/actinide elements/laser spectroscopy/mass spectrometry measurement/high sensitivity/high selectivity分类
数理科学引用本文复制引用
王文亮,李志明,冯磊,张鹏飞,张满超,王泽润,沈小攀,徐江..激光共振电离技术在锕系元素研究中的应用进展[J].现代应用物理,2025,16(6):1-7,7.基金项目
国家自然科学基金资助项目(U2241288) （U2241288）
