What Is Optical Radiation?

Generally, the light radiation is divided into three parts according to the radiation wavelength and the physiological visual effect of the human eye: ultraviolet radiation, visible light and infrared radiation. Generally, the visible wavelength is expressed in nm, and the infrared wavelength is expressed in mm. The unit of wave number is customary to use cm-1.

Light radiation

Generally, the light radiation is divided into three parts according to the radiation wavelength and the physiological visual effect of the human eye:

In the form of electromagnetic waves or

In recent years

It can last from a few tenths to tens of seconds, and can burn people, animals, and burn objects. If a 20,000-ton-equivalent nuclear bomb explodes, the duration of light emission is about 2.4 seconds. It can cause fire or melting of equipment and buildings, causing burns and blindness. All objects that block light can weaken its effect. White and light objects are better protected.