Abstract

The digital holographic surface plasmon resonance microscopy, which combines digital holography and surface plasmon resonance microscopy, is presented. Digital holography is applied to simultaneously obtain the quantitative intensity and phase distributions of the reflected light that is modulated by the sample in surface plasmon resonance. The refractive index distribution of sample near the substrate can be determined by simultaneously using the quantitative intensity and the phase distributions. The principle is theoretically analyzed and demonstrated by experiments.

© 2011 Optical Society of America