Infrared radiation. The infrared part of the electromagnetic spectrum covers the range from roughly 300 GHz to 400 THz (1 mm – 750 nm) . It can be divided into three parts: Far-infrared, from 300 GHz to 30 THz (1 mm – 10 μm).
Infrared radiation. The infrared part of the electromagnetic spectrum covers the range from roughly 300 GHz to 400 THz (1 mm – 750 nm) . It can be divided into three parts: Far-infrared, from 300 GHz to 30 THz (1 mm – 10 μm).