Light is an unusually rich carrier of information. Its direction of travel, wavelength, and polarization can all be used to ...

The ability to convert wavelengths of light is a crucial requirement in the improvement of many imaging, sensing and communication technologies. Endoscopy probes are just one example where this ...

Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength of incident light. The study is published in Advanced Materials. Lenses ...