FRONTAL APERTURE STOP FOR IR OPTICS

摘要

An IR imaging system is presented comprising an optical assembly comprising an optical assembly with a lens housing made of an organic polymer, the housing structurally defining a frontal aperture stop having an object-side surface and a detector-side surface, characterized in that the aperture stop comprises a metallic diaphragm. This results in an affordable design, well suited to be build into portable or mobile devices, in particular when protected behind an IR-transparent window.