'Squeezed' light might produce breakthroughs in nano-sized electronics



The group is called the Liu Group/UCR.

It's one thing to make small devices, but it's another to study and improve them, because they're so small they can't reflect enough light. A breakthrough could make that possible. Researchers at UCRiverside have built a technology that squeezes lamp light into a 6-nanometer spot at the end of a silver nanowire. It allows scientists to produce color images at an "unprecedented" level.

The developers modified an existing tool to detect signals across the entire visible spectrum. Light travels through a path. The system records the item's influence on the beam shape and color when it passes over an object. The team can create color photos of carbon nanotubes that are otherwise gray with two pieces of specrtra.

The inventors see the ability to compress light as an important role in the field of nanotechnology. Semiconductor producers could develop more uniform nanomaterials that can be used in chips and other densely-packed devices. The squeezed light could improve humanity's understanding of scientific fields where this resolution hasn't been available.

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