Elliptic Cylindrical Baffle Assembly.
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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An assembly for baffling an associated optical system from off-axis radiation and, at the same time, reducing the thermal laod by minimizing radiation absorption within the assembly. In its most basic embodiment, the assembly comprises a rectangularly-shaped box-like housing having a specular internal surface and, specular baffles that are sections of surfaces of hollow elliptic cylinders and that are positioned within the housing in spaced-apart relationship to each other and in a one-behind-the-other arrangement, and also are perpendicular to the sides of the housing. Author