Abstract:We studied laser isotope separation of cesium (Cs) on the basis of a laser photochemical reaction and two-photon excitation scheme using a narrow line width Ti:sapphire laser to reduce long-term radioactive toxicity of a long-lived fission product. Using resonant laser irradiation to Cs atoms in hydrogen gas, we observed cesium hydride fine particles and confirmed the formation by calculations using rate equations. Our results show that the process seems promising for efficient Cs isotope separation.
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