K. Ali, H. Ohgaki, H. Zen, T. Kii, T. Hayakawa, T. Shizuma, H. Toyokawa, Y. Taira, M. Fujimoto, M. Katoh
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Experimental Study on 3-D Isotope-Selective CT Imaging Based on Nuclear Resonance Fluorescence Transmission Method
We proposed an isotope-selective computed tomography (CT) imaging based on the Nuclear Resonance Fluorescence (NRF) transmission method using a quasi-monochromatic laser Compton scattering (LCS) gamma-ray beam in the MeV region for nuclear safety applications. As the first step, a two-dimensional (2D) NRF-CT image of 208Pb isotope distribution was selectively obtained for the sample target containing two enriched lead isotope rods (206Pb and 208Pb). We are planning to perform an experiment to obtain a three-dimensional NRF Computed Tomography (3D NRF-CT) image for the specific isotope. An automatic measurement system has been developed. As the result, we obtained an excellent quality of 3D gamma-ray CT image.
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