Researchers propose a method to detect and map low-frequency excitations in nonlinear materials at nanometer resolution, enabling far-infrared fingerprints.

In a new study published in Science, researchers have developed a new method for detecting infrared light by changing its frequency to a corresponding frequency in the range of visible light.

Physicists are teasing a potential leap in nuclear fusion that sounds almost absurd on its face: a path to reactions that are ...

An unorthodox treatment called near-infrared light therapy, which shines powerful near-infrared light at the brain through ...

The human eye can only see light at certain frequencies (called the visible spectrum), the lowest of which constitutes red light. Infrared light, which we can’t see, has an even lower frequency than ...

A spectrometer that directly detects the vibrational “fingerprint” of molecules offers a sensitive new way of deducing a material’s chemical make-up. The device, which was developed by researchers in ...