beijing optics

Black Coatings to Reduce Stray Light

Black Coatings to Reduce Stray Light

Black Coatings to Reduce Stray Light Introduction This report is a tutorial on the use of black coatings to reduce stray light. An optical system that is designed to produce an image of an object or scene is limited by three main aspects. The first is the quality of the image that the optics can […]

Stray Light, Scatter, and Black Coatings

Stray Light, Scatter, and Black Coatings

Stray Light, Scatter, and Black Coatings Summary This report is a tutorial on basic issues regarding stray light and scatter.  A basic stray light problem is analyzed and a solution of using a black surface is given.  The scatter metric of BRDF is explored and results of a BRDF model are shown.  Other types of […]