NOTE: Text or symbols not renderable in plain ASCII are indicated by [...].Abstract is included in .pdf document.A contribution to the precision measurement of the velocity of light is described.

• 我们研究调查在周期光栅金属下，内嵌入腔造成共振频率的穿遂，一个内嵌入的长方腔会影响其穿透频率，其模态为波导模态和耦合模态。