OPTICAL COUPLING SYSTEM AND OPTICAL SENSOR INCLUDING THE SAME

摘要

An optical coupling system comprises a first film structure which compresses a beam, which is emitted from a light source disposed on a substrate, on the upper surface of a substrate in a vertical direction and includes a plurality of films sequentially stacked on the substrate, and a second film structure which is disposed on the substrate and compresses the beam passing through the first film structure on the upper surface of the substrate in a horizontal direction.