OBSERVATION ON SINGLE-COLOUR THREEPHOTON IONIZATION SPECTROSCOPY OF URANIUM ATOM  

作　　者：金昌泰 梁秀清 王成飞 李玉福 周大凡 

机构地区：[1]Changchun Institute of Applied Chemistry,Academia Sinica, Changchun 130022, PRC

出　　处：《Chinese Science Bulletin》1992年第1期30-33,共4页

摘　　要：Ⅰ. INTRODUCTION Since the ionizing potential of uranium is 49958 cm^-1, at least three photons of wavelengths in visible region are required to ionize an uranium atom from its ground state or one of the low-lying metastable states. When a single-colour laser beam acts with the uranium vapor, the uranium atom can sequentially absorb three photons and ionize, but the cross sec-

关 键 词：RESONANT IONIZATION URANIUM atom. 

分 类 号：N[自然科学总论]