Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different wavelengths. A typical diffraction grating has thousands of grooves ...

Whether young or old, anyone can enjoy those fun holiday glasses that turn pinpoints of lights into fun shapes—snowflakes, stars, candy canes, and other fun holiday shapes. They’re deceptively simple, ...

A material that is capable of the “reverse diffraction” of light and that is inspired by butterfly wings has been made by researchers in the US. The structure combines features of the butterfly’s ...

Pyser Optics’ apertures are used in a wide array of applications, one of them being precision entrance slits for spectrometers. Spectrometry is the study of the interaction between light ...

The dual nature of light has long been a concern of scientists. It even led to the creation of the to the controversy between Albert Einstein and Niels Bohr on whether light can be observed ...