What is another word for maser?
Pronunciation: [mˈe͡ɪzə] (IPA) 
A maser is a device that uses stimulated emission to produce coherent electromagnetic waves. Synonyms for maser include the acronym MIR (Microwave amplification by stimulated radiation), molecular beam maser, gas maser, and alkali vapor maser. MIR is a type of maser that uses a beam of microwaves to stimulate the emission of radiation in a solid-state device. A molecular beam maser uses a beam of high-velocity molecules to stimulate the emission of microwave radiation. A gas maser uses a gas discharge to create coherent radiation in the microwave region. Lastly, an alkali vapor maser uses the vapor of an alkali metal, such as cesium, to produce coherent radiation in the microwave region.
