| 摘要 |
The present invention relates to an array reader having a light source configured to emit an excitation light, a substrate comprising a plurality of sites spatially configured as a two-dimensional array having a plurality of rows and a plurality of columns, where each site is configured to support a sample. The array reader includes a changing device configured to determine which of said plurality of sites is illuminated at any given instant and a detector comprising a two-dimensional array of light sensitive elements, transmission grating beam splitter (TGBS) disposed along an optical path between the substrate and the detector, and a single light focusing element disposed along an optical path between the substrate and the detector. The TGBS is configured to receive non-collimated light emitted by at least one sample illuminated by said excitation light.
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