Grating-assisted fabrication of sub-wavelength ripples during femtosecond laser processing of dielectrics
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资源说明:During the formation of sub-wavelength ripples, the initial surface plasmon (SP)-laser interference plays an important role. In this Letter, the effects of grating structures on the distribution of the absorbed laser intensity, SP-laser coupling, free electron distributions, and ablation shapes are investigated by the plasma model, taking into consideration both the laser wave-particle duality and the transient localized changes of material properties. The simulation results show that the gratin
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