| 摘要 |
A detection system. The detection system includes a transparent substrate, an image sensor array, and a reflective layer. The substrate has first surface located opposite second surface and third surface located opposite fourth surface. The array is adjacent to the fourth surface. The reflective layer is adjacent to the third surface; the substrate is configured to receive light through the first surface; the second surface is configured to reflect the received light onto the third surface at a pre-selected angle of incidence; the reflective layer is configured such that the light creates surface plasmons whenever a first dielectric having a first refractive index is adjacent to the reflective layer; the reflective layer is configured to reflect the light onto the array whenever a second dielectric having a second refractive index is adjacent to the reflective layer; and the first refractive index differs from the second refractive index.
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