中文摘要：

作为辐射探测材料,X射线荧光粉能够将X射线、γ射线、α粒子和中子等高能电离辐射转变成紫外-可见光,并被广泛地应用于高能物理、医学成像、安全监测、探矿和油井勘探等方面.本文重点介绍了X射线荧光粉的发展历史、发光机理、发光特点和X射线荧光粉在医学成像中的应用及相关器件的工作原理.

英文摘要：

As radiation detection materials ,X - ray phosphors can convert high - energy ionizing radiation of X - ray , γray ,α particle and neutron into UV - visible light , and play an important role in high - energy physics , medicine imaging , security detection ,and well logging .In this article ,the development history ,luminescence mechanism and application of X - ray phosphors in medical imaging are presented .