Researchers at Germany's Karlsruhe Institute of Technology have developed a new visualization tool that will enable users to see what a cloaked object looks like in real life. Designed to handle complex media, such as metamaterial optical cloaks, the software is able to show the visual effects of a cloaking mechanism and its imperfections.
The latest issue of the Optical Society's Optics Express features full-color images in which a virtual museum nave is rendered with three walls, a ceiling, and a floor. A large bump appears in the reflecting floor covered by an invisibility device. The carpet cloak in the middle of the room hides the effect of the bump and any object hidden underneath it, as the observers see a flat reflecting floor. However, the observers still see the invisibility cloak due to surface reflections and imperfections. "It's important to visualize how an optical device works," notes the software's developer Jad C. Halimeh.
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