Ultra-thin lenses transform infrared light

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Ultra-thin lenses that make infrared light visible

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ETH Zurich researchers have developed a lens with 'magic' properties.

Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light.

Metalenses are flat, perform in the same way as normal lenses and are not only thinner than an average human hair but also lightweight as they don't need to be made of glass.

"We have only scratched the surface so far and are very excited to see how much of an impact this type of new cost-effective technology will have in the future," emphasises Grange . Story Source: Journal Reference: - ÜlleLinda Talts , Helena Weigand , Irene Occhiodori , Rachel Grange . Scalable Lithium Niobate Nanoimprinting for Nonlinear Metalenses. Advanced Materials , 2025 ; DOI: 10.1002 /adma.202418957 Cite This Page:.

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English

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