SURFACE PLASMON FIELD-ENHANCED FLUORESCENCE MEASUREMENT DEVICE AND PLASMON EXCITATION SENSOR USED IN SURFACE PLASMON FIELD-ENHANCED FLUORESCENCE MEASUREMENT DEVICE

摘要

Provided is a surface plasmon field-enhanced fluorescence measurement device capable of performing a fluorescence detection at a high-sensitivity by reliably exciting a fluorescent material that labels an analyte trapped at a desired position of a reaction layer and, in addition, detecting a plurality of analytes at low cost and even in a short time, and also provided is a plasmon excitation sensor used in the surface plasmon field-enhanced fluorescence measurement device.The plasmon excitation sensor comprises at least a first dielectric member, a metal thin film formed on the upper surface of the first dielectric member, a second dielectric member formed on the upper surface of the metal thin film, and a reaction layer formed on the upper surface of the second dielectric member. The second dielectric member has a different film thickness portion where a part of the film thickness thereof is different from that of the other portion.