BEAM SHIFTING SURFACE PLASMON RESONANCE SYSTEM AND METHOD

摘要

The invention relates to a surface plasmon resonance system (100) method. The system (100) has at least one light source operable to generate a source beam, a prism having a rear surface at least partially coated with a metallic coating and optionally a dielectric layer. At least one layer under test is positioned on the rear surface of the prism. The source beam is directed at the layer under test thereby defining an angle between the source beam and the rear surface of the prism. A detector is operable to detect light that is reflected or scattered by the layer under test. The source beam is directed towards the layer under test at a selected angle.