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Report No.

Development of laser remote analysis for nuclear fuel materials, 5; Isotope analysis using resonance absorption spectroscopy

Miyabe, Masabumi; Oba, Masaki; Akaoka, Katsuaki; Iimura, Hideki; Tampo, Motonobu; Oba, Hironori; Maruyama, Yoichiro; Wakaida, Ikuo

We measured number density distribution of ablation plume of uranium and its temporal variation. From this measurement, we determined several experimental conditions suitable for isotope analysis of uranium, i.e. observation timing, observation height from sample surface and gas pressure etc. It was found that the limit of detection of this method was several 100 ppm using the obtained optimum conditions.



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