Actinic radiation

Actinic radiation refers to the portion of the electromagnetic spectrum that is capable of causing photochemical reactions, such as those seen in photography. This type of radiation is primarily composed of ultraviolet light, but it can also include visible light and infrared radiation.

Overview

Actinic radiation is a form of electromagnetic radiation that has enough energy to cause photochemical reactions. This type of radiation is primarily composed of ultraviolet light, but it can also include visible light and infrared radiation. The term "actinic" is derived from the Greek word "aktis", which means "ray" or "beam".

Sources

The primary source of actinic radiation is the sun. However, it can also be produced artificially using certain types of light bulbs and lasers. In addition, certain types of radioactive material can emit actinic radiation.

Effects

Exposure to actinic radiation can have a variety of effects, depending on the intensity and duration of the exposure. At low levels, it can cause sunburn and skin aging. At higher levels, it can cause skin cancer and cataracts. It can also cause damage to the eyes and immune system.

Protection

Protection against actinic radiation includes wearing sunscreen and protective clothing, as well as avoiding exposure during peak sunlight hours. Certain types of glass and plastic can also block actinic radiation.

See also

• Electromagnetic spectrum
• Ultraviolet light
• Photochemical reaction
• Sunburn
• Skin cancer

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