OPTICAL BARREL ASSEMBLY, CAMERA INCLUDING THE SAME, ANALYTE DETECTOR INCLUDING THE SAME, AND ASSOCIATED METHODS

摘要

An optical barrel assembly includes a barrel having an inner bottom surface and an inner lateral surface extending from the inner bottom surface, the inner bottom and lateral surfaces defining a cylindrical housing, and a first element surrounded by the inner lateral surface of the barrel, wherein an outer perimeter of the first element has a different shape than a perimeter defined by the cylindrical housing.