Abstract
Thermal neutron (∼25 meV) beam is a powerful tool for investigating the structure and properties of materials used in science and technology. A laser-driven neutron source generating 1010 neutrons within 1 ns duration is utilized to a single shot radiography with a dual beam of thermal neutrons and X-rays. As a proof of principle, we show the non-destructive inspection of hazardous substances (Cadmium) contained in a typical battery, when the cadmium anode thickness is evaluated from the transmittance of thermal neutrons. The fact that the neutron inspection above is performed with a single laser shot, i.e. with a single bunch of neutrons leads to a safer neutron source that is optically controlled on/off, and provides a novel tool for science and engineering.
Highlights
Akifumi Yogo1*, Seyed Reza Mirfayzi2,8, Yasunobu Arikawa1, Yuki Abe1,3, Tianyun Wei1, Takato Mori1, Zechen Lan1, Yuki Hoonoki1, Daniil O
We show the development of LDNS generating high yield of fast neutrons (1010) within a short bunch duration (∼1 ns) from a fingertip-size source (∼1 cm3)
We developed a moderation system to decelerate fast neutrons down to thermal region and extract them into air, and demonstrate, as a proof of principle, a non-destructive inspection of hazardous substances contained in a typical battery using thermal neutrons and x-rays generated by a single laser shot
Summary
Akifumi Yogo1* , Seyed Reza Mirfayzi2,8 , Yasunobu Arikawa1, Yuki Abe1,3, Tianyun Wei1 , Takato Mori1, Zechen Lan1, Yuki Hoonoki1, Daniil O. R., Arikawa, Y., Abe, Y., Wei, T., Mori, T., Lan, Z., Hoonoki, Y., Golovin, D. O., Koga, K., Suzuki, Y., Kanasaki, M., Fujioka, S., Nakai, M., Hayakawa, T., Mima, K., Nishimura, H., Kar, S., & Kodama, R.
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