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A maser is a device that produces coherent electromagnetic waves (microwaves) through amplification by stimulated emission. The term is an acronym for microwave amplification by stimulated emission of radiation. Nikolay Basov, Alexander Prokhorov and Joseph Weber introduced the concept of the maser in 1952, and Charles H. Townes, James P. Gordon, and…
History, Technology & Applications
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microwave emission stimulated amplification masers townes radiation frequency laser first hydrogen radio coherent atomic acronym used devices microwaves university physics
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Maser | is a | device that produces coherent electromagnetic waves | 0.90 | text |
| water | instance of | These emissions are observed from molecules | 0.80 | text |
| Maser | related to 21st-century developments | In | 0.60 | section |
| Maser | related to 21st-century developments | National Physical Laboratory | 0.60 | section |
| Maser | related to 21st-century developments | Imperial College London | 0.60 | section |
| Maser | related to 21st-century developments | Terphenyl | 0.60 | section |
| Maser | related to 21st-century developments | It | 0.60 | section |
| Maser | related to 21st-century developments | University College London | 0.60 | section |
| Maser | related to Astrophysical masers | Maser-like | 0.60 | section |
| Maser | related to Astrophysical masers | These | 0.60 | section |
| Maser | related to Astrophysical masers | H2O | 0.60 | section |
| Maser | related to Astrophysical masers | OH | 0.60 | section |
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