OPTICAL APPARATUS FOR PERFORMING AN IMMUNOASSAY

摘要

A system for assaying a fluid sample with excitation from a radiation source, which radiation is capable of exciting fluorescence in fluorescent material, comprising a totally internally reflecting, unitary elongated fiber (12) transmissive to both the excitation radiation and to the fluorescence, a source of excitation radiation (34), and optical means (36) for guiding the excitation radiation into said fiber.