Double trough reflection concentrator, e.g. for sunlight

摘要

The reflection concentrator has two mirrors (1,2) optically connected in series. The larger (1) mirror, unites the reflected rays in one focal line. The smaller (2) lies perpendicular to the concentrator action of the larger. It ensures that the rays reflected from the larger mirror, before reaching the aforementioned focal line, are concentrated in a second smaller focal line or in a focal point.