The candela, the international unit of light in use for almost a century, forms the basis of photometry. According to a new ...

Identifying sources of light plays an important role in the development of many photonic technologies, such as lidar, remote sensing, and microscopy. Traditionally, identifying light sources as ...

As discussed in Chapter 1, History of Fiber Optics, the idea of transmitting information with light is not new just the technology that makes it easily possible is. Like optical fiber, light source ...

When you go to a large hardware store, you will see dozens of different light-bulbs ranging in size and power from flashlight to floodlight applications. A similar situation holds for light sources ...

Light pollution is the bane of stargazers, which is why you need to get out of the city to make the best use of your telescope. However, even in the middle of nowhere, your observations might still be ...

The use of alternative light sources and ultra violet lighting has changed and improved drastically over the last few years. The concept, however, remains the same as the purpose of alternative light ...

In materials science an X-ray source that is hard and bright can open the door to a wealth of detail. At Diamond Light Source X-ray beams with wavelengths of 0.1–0.2 nm outshine the Sun by a factor of ...