How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

Researchers at the European XFEL have developed a new device for X-ray measurements at high photon energies—a so-called Laue spectrometer. It enables X-ray light with photon energies of more ...

Light measurement specialist and proprietor of many of the best light meters for photography, Sekonic, has announced the Sekonic Spectrometer C-4000. The device is able to provide single- and ...