Researchers develop automatic drawing machine for making paper-based metamaterials

The schematic of the drawing method and three types of metamaterials. Credit: Optical Materials Express (2022). DOI: 10.1364/OME.472866

Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials onto paper. They demonstrated the new approach by using it to make three metamaterials that can be used to manipulate the microwave region of the electromagnetic spectrum.

Metamaterials are artificially engineered composite materials that derive their properties from patterned microstructures, rather than the chemical composition of the materials themselves. The exact shape, geometry, size, orientation and arrangement of the structures can be used to manipulate electromagnetic waves in …

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