Patent ID: 8680483

Claim:
A fluorescence detector, comprising: a light source; a substrate which comprises: a first surface on an outer side of which a plurality of biosamples are arranged; and a second surface at which light from the light source enters, from which light totally reflected on an inner side of the first surface exits, and on an outer side of which a plurality of prisms are arranged with a prescribed period in a prescribed direction corresponding to areas where the plurality of biosamples are arranged; a detector deployed adjacent to the outer side of the first surface of the substrate to detect light emitted from the biosamples excited by an evanescent field generated on the outer side of the first surface by the total reflection; a driving unit which moves the substrate by the prescribed period of arrangement of the plurality of prisms so that a second biosample of the plurality of biosamples is measured after a first biosample of the plurality of biosamples is measured, wherein the plurality of prisms are arranged in contact with each other on the second surface so that the light from the light source entering a first prism of the plurality of prisms is separated from a second prism of the plurality of prisms adjacent to the first prism, wherein the areas the light from the light source irradiates are arranged on the substrate with the prescribed period in the prescribed direction.