CPC G01N 21/76 (2013.01) [G01J 1/44 (2013.01); G01N 21/27 (2013.01); G01N 21/272 (2013.01); G01J 2001/444 (2013.01); G01N 2201/022 (2013.01); G01N 2201/12753 (2013.01)] | 19 Claims |
1. A system for performing an assay, the system comprising:
a chassis, comprising:
a reaction vessel chamber, and
a light passage comprising a first end and a second end, the light passage intersecting the reaction vessel chamber;
a cap that, when in a closed configuration, forms a dark chamber by preventing light emitted by external light sources from entering the reaction vessel chamber and from entering the light passage, and, when in an open configuration, provides access to the reaction vessel chamber;
a calibration light source optically coupled to the first end of the light passage;
a light detector optically coupled to the second end of the light passage, the light detector comprising:
a sensing element for receiving light from the light passage;
a thermal cavity within the chassis, the light detector at least partially positioned within the thermal cavity;
a thermal cover positioned over an opening of the thermal cavity; and
a thermally conductive gasket that thermally couples the thermal cover to the chassis;
wherein the thermal cavity and the thermal cover define an enclosed volume; and
wherein the light detector is positioned within the enclosed volume.
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