Talebi Razieh, Izadi Sepideh
Appl Opt. 2018 Dec 20;57(36):10355-10363. doi: 10.1364/AO.57.010355.
We study the formation of periodic nanostructures on Ag-AgCl thin films by irradiating s-polarized laser beams at different incident angles. A theoretical model is proposed to describe the formation of the structures based on interference of the incident beam and TE mode propagating in an AgCl slab waveguide. The line-space of periodic nanostructures on Ag-AgCl thin film can be manipulated by changing the incident angle and wavelength of the laser beam. The scattering and diffraction pattern of a periodic nanostructure during laser irradiation provides useful information about the structure's surface morphology. The periodic nanostructures formed on Ag-AgCl thin films are anisotropic structures.
我们通过以不同入射角照射s偏振激光束来研究Ag-AgCl薄膜上周期性纳米结构的形成。提出了一个理论模型，基于入射光束与在AgCl平板波导中传播的TE模式的干涉来描述结构的形成。通过改变激光束的入射角和波长，可以控制Ag-AgCl薄膜上周期性纳米结构的线间距。激光照射期间周期性纳米结构的散射和衍射图案提供了有关该结构表面形态的有用信息。在Ag-AgCl薄膜上形成的周期性纳米结构是各向异性结构。
