We have proposed a novel silicon carbide (SiC) grating with vanadium dioxide (VO₂) composite. Polarization-dependent surface phonon polaritons (SPhPs) can be excited. The device switches on/off light by switching the VO₂ between its metallic and semiconductor states. Coupled wave analysis (RCWA) method is used to simulate the optical responses under different conditions. By introducing the structure of VO₂ as an active material, this switchable, tunable, wavelength-selective structure can pave the way toward the ultimate control of thermal absorption/emissivity in the atmospheric window (8–14 μm).

中文翻译：

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用功能材料和碳化硅光栅控制完全吸收

我们提出了一种新型的具有二氧化钒（VO ₂）复合材料的碳化硅（SiC）光栅。极化相关的表面声子极化子（SPhPs）可以被激发。该器件通过在金属状态和半导体状态之间切换VO ₂来打开/关闭灯。耦合波分析（RCWA）方法用于模拟不同条件下的光学响应。通过引入VO ₂作为活性材料的结构，这种可切换，可调，波长选择的结构可以为最终控制大气窗口（8–14μm）中的热吸收/发射率铺平道路。