In a recent breakthrough, scientists have developed a new method to create patterned monolithic holographic metasurfaces. This technology promises to revolutionize the way we interact with light, offering the potential for more efficient and precise optical designs. By utilizing a technique known as field-induced self-alignment, researchers have found a way to create metasurfaces that are composed of one single layer of nanostructures, allowing for a more streamlined optical design. This could lead to a new generation of integrated optical devices, such as novel types of imaging lenses and optical filters.

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source: Phys.org