Fabrication of active plasomon fields using metal subwavelength structures

对金属光栅的等离激元特性进行了理论和实验研究。在PDMS薄膜上形成的银金属光栅揭示了薄膜的机械位移与入射光的反射强度之间的线性关系。另一方面，钯光栅表面的反射率随氢浓度的变化较为敏感，而与入射光的偏振状态无关，这意味着等离子体共振与钯的反射率之间没有关系。

Plasmon characteristics of metal gratings were investigated theoretically and experimentally. Silver metal grating formed on a PDMS diaphragm revealed a linear relation between the mechanical displacement of diaphragm and the reflection intensity of incident light. On the other hand, the reflectivity of palladium grating surface changed sensitively against the concentration of hydrogen, whereas regardless of the polarization state of incident light, which means no relation between the plasmon resonance and the reflectivity of palladium.