Kerr electro-optic field mapping measurements have been performed inelectron beam irradiated polymethylmethacrylate (PMMA). The accumulatedtrapped charge results in large self-electric field.

• 克尔电-光场图测量在电子束幅射(照)下的有机玻璃(PMMA)中实现,累积的被介质捕获的电荷产生巨大的自电场(Self-electric field)。