中国物理B ›› 2012, Vol. 21 ›› Issue (1): 17301-017301.doi: 10.1088/1674-1056/21/1/017301
曹金祥1, 吕铀1, 刘磊1, 杜寅昌1, 汪建1, 王亮2
Wang Liang(王亮)a)b), Cao Jin-Xiang(曹金祥) a)†, LŰ You(吕铀)a), Liu Lei(刘磊)a), Du Yin-Chang(杜寅昌)a), and Wang Jian(汪建)a)
摘要: The reflection of X-band microwaves (8-12 GHz) from a metallic aluminum (Al) surface with groove grating corrugations was investigated experimentally. It was shown that the reflection of p-polarization is much less than the microwave reflected from the corresponding area of an unruled Al surface, with selective wavelength. The experimental results demonstrated that the anomalous microwave reflection is strongly associated with the excitation of spoof surface plasmons at the Al-air interface by the surface grating coupler. This near-total absence of reflected microwaves is similar to the famous Wood's anomaly in the optical regime and is of fundamental importance to the applications of spoof surface plasmons in the microwave regime.
中图分类号: (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))