Patent ID: 7943908
Filing Date: 2011-05-17
Classification: G01N

Abstract:
1. Sensor system with Surface-Plasmon-Polariton (SPP) enhanced selective fluorescence excitation, comprising: a. an active sensor chip including: b. a multi-planar adjustable source of excitation generating an excitation light beam of at least a first wavelength, said excitation light beam being incident on said periodically patterned surface of said at least first active sensor patch through said at least first specimen under study at a first adjustable polar incidence angle and at a first adjustable azimuthal orientation relative to said nano-elements; wherein said at least first target particles of interest generate a first fluorescence signal enhanced by controlling the excitation of said surface plasmon polaritons in vicinity of said boundary through selecting an optimal at least one of said first wavelength, said first incidence angle, and said first azimuthal orientation for said first periodicity.