The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all ...

Light still holds surprises—as demonstrated by researchers from the Ultrafast Phenomena Lab at the Faculty of Physics, University of Warsaw, in collaboration with the Institute of Low Temperature and ...

When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...

The Dragon Dome LED SFH 4783 uses a focused beam high-power infrared LED (IRED) to achieve a range of more than 100 m for security surveillance. It measures 11 x 6 x 5.7-mm and does not need an ...