CAJ | 학술논문

介绍了一种可用于双能CT的小型单能量X射线源。为了获得稳定的X射线，采用X波段（11．424 GHz）直线加速器加速的多束团电子和Q开关Nd： YAG激光的组合。为了提高X射线通量，采用了激光束循环系统。阐述了双能CT成像、激光束循环的原理和小型单能量X射线源的工作原理。说明了目前系统的构建状况和实验实施状况，并对当前存在的问题和今后的课题做出总结。
개소료일충가용우쌍능CT적소형단능량X사선원。위료획득은정적X사선，채용X파단（11．424 GHz）직선가속기가속적다속단전자화Q개관Nd： YAG격광적조합。위료제고X사선통량，채용료격광속순배계통。천술료쌍능CT성상、격광속순배적원리화소형단능량X사선원적공작원리。설명료목전계통적구건상황화실험실시상황，병대당전존재적문제화금후적과제주출총결。
A Compton scattering X-ray source which can be used for dual -energy CT is introduced .In order to realize stable X-ray generation, multi-bunch electron beam from an X -band (11.424 GHz) linac and Q-switch Nd:YAG laser are adopted .And in order to increase X-ray flux, a laser circulation system is adopt-ed.The principle of dual energy CT imaging , laser circulation and compact dual -energy X-ray source are described.The current status of system construction and the experiments are also illustrated .Finally, a summa-ry of current problems and future research are made .