A fundamental study of education-oriented simulated X-ray CT equipment using laser beam

Ogura Izumi, Nyui Yoshiyuki, Abe Shinji, Negishi Toru, Shinoda Yukitaka, Higo Takashi

doi:10.24531/jhsaiih.10.1_43

X-ray computed tomography (CT) equipment has found widespread use in onsite clinical applications, and we have been using such equipment to give students practical training in an educational setting. This approach, however, does not make it easy for students to understand the actual configuration of CT equipment or the principles behind image reconstruction. Educational sites, moreover, lack simple education-oriented experimental equipment that could help students understand the principles behind the equipment's electrical system and image processing system. In this paper, we study the construction of simulated X-ray CT equipment for educational purposes using laser light and describe a prototype of this equipment that we constructed. We built this prototype on breadboard with dimensions of 60×45cm^2 and handles attached, which makes it easy to move and store the equipment. Using this prototype, we obtained intensity data on transmitted light, performed image reconstruction, and obtained optical CT images for phantom objects. With this system, we have been able to enhance our students' understanding of CT operation principles while preventing them from being bombarded with X-rays.

A fundamental study of education-oriented simulated X-ray CT equipment using laser beam

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