An invisible band of radiation with wavelengths from 400 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

These contain multiple gasses and produce UV output at precise spectral lines for scientific purposes. Argon and deuterium arc bulbs serve as stable sources. Some lamps, such as magnesium fluoride ...

In addition to UV protection filters, other types include UV neutral density filters, UV rejection filters, UV bandpass filters, UV interference filters, UV cold mirrors, hot mirrors, and UV Dichroic ...

Of the three categories of solar UV radiation, only UV-A and UV-B are able to penetrate Earth's atmosphere. Thus, these two types of UV radiation are of greatest concern to humans, especially as ...

We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...