New experiments are pushing our understanding of light and optics to the limit and are also opening up new areas of physics and novel applications. (Picture credit: Photodisc) Optics has always been ...

Researchers have cracked a fundamental optical challenge: how to control both angle and wavelength of light independently—a problem that’s limited imaging and display technologies for years. By ...

Two slabs of boron nitride crystals are dynamically twisted with respect to each other. At certain angles, the incoming laser light can be efficiently converted to higher energy light, as a result of ...

Newton’s experiment remains almost insultingly simple. Sunlight, a darkened room, a glass prism. The conclusion was unavoidable. Colour belonged to light itself. The prism merely made it visible.