For such measurements, goniophotometers (from the Greek “gonia,” an angle; “photos,” light; and “metron,” measure) have been used by traditional lighting manufacturers for some time. For the most part ...

Measuring the average intensity of the visible radiation emitted from an LED is a critical issue, not just for developers of electro-optical instrumentation and photonics measuring devices, but also ...

Radiant Imaging´s latest developemnet is the portable Imaging Spehre. This devices provides fast and acurate, angular resolved colour and Luminance data. The need for a low cost, high speed system for ...

The Convention on the International Regulations for Preventing Collisions at Sea (COLREGS) governs the intensity of navigation lights, requiring a minimum intensity in candelas according to a ...