SPR is used for surface enhancement technique which dependent on the power coupling and the resonant of the surface plasma and the TM of the incident light.

• 表面等离子体共振技术是一种表面增强技术,它是金属表面等离子激元SP(surface plasmon)在一定条件下与与入射光TM(横磁波)极化能量耦合并被共振激发而产生的。