Development of the Novel Isotope Separation Method Combining the Molecular Laser Isotope Separation and Distillation

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In this study, we propose a new isotope separation method which utilizes the condensation process of excited molecules under the action of a laser irradiation. The concept of this separation method is based on the difference in the condensation probability between excited molecules and unexcited ones. In the experimental study, formic acid and methyl formate are irradiated by the CO laser and pass through the condenser. The uncondensed gases are collected and their isotopic contents were measured. We could observe the carbon and oxygen isotope enrichment in the uncondensed gas. The features of this method are theoretically investigated using molecular dynamics simulation.