A Caltech team has developed a highly efficient method to provide coherent light of any wavelength from visible to ...

Focused laser-like light that covers a wide range of frequencies is highly desirable for many scientific studies and for many ...

The invisible light spectrum, encompassing ultraviolet and infrared wavelengths, has long beguiled the human eye. A revolutionary lens technology is now making this unseen light accessible, heralding ...

Conceptual depictions of wavenumber-selective nonlinear wavelength conversion in Kerr photonic crystal microresonators. Spatial modulation of the microresonator inner sidewall (pictured center) with a ...

The James Webb Telescope focuses on infrared observations, which is like watching an "infrared special effects version" of a movie that reveals many things previously unseen. Why choose the infrared ...

Capturing photos beyond the visible spectrum is challenging and requires special gear, but the creative payoff is worth it.

This multipanel image show how different wavelengths of light can reveal different features of a cosmic object. On the left is a visible light image of the Whirlpool galaxy. The next image combines ...

Researchers have designed a new chip-integrated light source that can transform infrared wavelengths into visible wavelengths, which have been difficult to produce with technology based on silicon ...

If you heard me say, ‘red light, green light’, you’d be forgiven for thinking I was talking about the infamous Squid Game challenge. But no, I’m referring to my two favourite LED colours that help to ...