ellipsoidal reflector

ellipsoidal reflector

(el-ip-soi -dăl) A reflector whose surface is part of an ellipsoid. An object situated at one focus will be imaged, after reflection, at the other focus.

ellipsoidal reflector

[ə‚lip′sȯid·əl ri′flek·tər] (optics) A concave ellipsoidal surface from which light is specularly reflected; used in a light projector to focus rays from a light source at the near focal point onto the opposite focal point of the ellipse.