Whether in photosynthesis or in a photovoltaic system: if you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take ...

A surprising trick that allows a beam of light to be completely absorbed even in the thinnest of layers: Using mirrors and lenses, a 'light trap' can be constructed, in which the light beam is steered ...

For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...

Using the ski jump, the authors built beam scanners on chips called photonic integrated circuits (PICs). The cantilevers can be fabricated using processes that have been established for conventional ...

The direction of that beam can be adjusted simply by changing the polarization of the incoming light. In laboratory tests, the researchers converted infrared light with a wavelength of about 1530 ...