High energy heavy ions generate potential tracks on the face of insulated material, and a porous surface with gradient refractive index can be formed by etching the ion tracks.
高能重离子在绝缘材料表面产生的潜径迹经过蚀刻后形成一定形貌的核径迹孔，而密集的径迹孔表面相当于渐变折射率层。
The bionic nonsmooth structure opens up a new potential to improve the antiadhesion of the material surface.
仿生非光滑结构为提高材料表面的抗黏附性能开辟了一条新途径。
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