mikroaaltoraitoja

Mikroaaltoraitoja, often translated as microwave radiation, refers to electromagnetic radiation within the microwave frequency range. This type of radiation falls between infrared radiation and radio waves on the electromagnetic spectrum. The frequency range typically spans from about 300 megahertz (MHz) to 300 gigahertz (GHz). These frequencies correspond to wavelengths from one meter down to one millimeter.

Microwaves are produced by various sources, including specialized vacuum tubes like magnetrons and klystrons, as well as solid-state devices such as Gunn diodes and field-effect transistors. They are widely used in numerous applications due to their ability to penetrate certain materials and interact with water molecules.

The most common application of microwaves is in microwave ovens, where they are used to heat food by causing water molecules within the food to vibrate rapidly, generating heat through dielectric heating. Another significant use is in telecommunications, including radar systems for detecting objects, satellite communication, and wireless networking technologies like Wi-Fi. Microwave spectroscopy is a scientific technique used to study the rotational energy levels of molecules.

While generally considered safe at typical exposure levels, high-intensity microwave radiation can cause thermal effects, leading to tissue heating. Exposure limits are set by regulatory bodies to ensure public safety.