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<p>This present study investigates a three-step laser isotope separation method for the enrichment of <sup>168</sup>Er isotope using 631.052 nm – 586.912 nm – 566.003 nm three-step photoionization scheme. The lineshape contours observed in three-step photoionization process have been investigated in detail. This study shows that enrichment of <sup>168</sup>Er isotope can be achieved with a relatively simple experimental configuration. With the derived system configuration, it has been shown that it is possible to produce 18 g/day of 90% enriched <sup>168</sup>Er. Using the enriched <sup>168</sup>Er isotope obtained from the laser isotope separation process, irradiation in low, medium, and high flux reactors can produce 180, 1800, and 18,000 doses per day (each with an activity of 7.4 GBq) respectively. After 24 h of irradiation and chemical separation, the radioisotopic purity of the medical isotope reaches to &gt; 99% making it suitable for the medical applications. This is the first ever study on the laser isotope separation of <sup>168</sup>Er isotope.</p>

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Laser isotope enrichment of 168Er

  • 期刊论文

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  • 发表日期：

    2025年3月27日

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  • M. V. Suryanarayana

摘要

This present study investigates a three-step laser isotope separation method for the enrichment of 168Er isotope using 631.052 nm – 586.912 nm – 566.003 nm three-step photoionization scheme. The lineshape contours observed in three-step photoionization process have been investigated in detail. This study shows that enrichment of 168Er isotope can be achieved with a relatively simple experimental configuration. With the derived system configuration, it has been shown that it is possible to produce 18 g/day of 90% enriched 168Er. Using the enriched 168Er isotope obtained from the laser isotope separation process, irradiation in low, medium, and high flux reactors can produce 180, 1800, and 18,000 doses per day (each with an activity of 7.4 GBq) respectively. After 24 h of irradiation and chemical separation, the radioisotopic purity of the medical isotope reaches to > 99% making it suitable for the medical applications. This is the first ever study on the laser isotope separation of 168Er isotope.