The reason patterns often appear in nature is simple: The same basic physical or chemical processes occur in many patterned substances and organisms as they form. Whether in plants and animals or ...

Wide-angle scanning arrays are highly desirable in many military and civil applications, such as modern wireless communication systems, broad-coverage energy transmission systems, and radar systems.

Dielectric metasurfaces with complementary shapes for the nanopatterns are fabricated using a polymer-based low-cost soft lithography approach, using a single master mould. The master mould is also ...