The primary source of ultraviolet light is the sun, and most of the UV light that reaches earth is in the lower-frequency UVA region (see below). Although ultraviolet (UV) light is widely known as ...

Higher frequencies, which are those above the visible spectrum, make up ultraviolet (beyond violet) light. Having the most energetic frequencies, UV light can wrinkle your skin, give you sunburn ...

Dual-Comb Spectroscopy Related Stories To utilize UV frequency combs containing a million closely spaced spectral lines for spectroscopy applications, the researchers needed a method capable of ...