PDF] Double-Reflector Configuration for Optimal Exposure of Wideband Focal- Plane Arrays With Optical Beamforming | Semantic Scholar
The figure below shows plane waves incident on a plane reflector inclined at 60<sup>o</sup>C to the horizontal. Complete the diagram to show reflected waves.
How Luneburg lens radar reflectors are used to make stealth aircraft visible on radar screens - The Aviation Geek Club