Mazerlaser

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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. Townes , James P. Gordon , and Herbert J. Zeiger at Columbia University in Masers are also used as the timekeeping device in atomic clocks , and as extremely low-noise microwave amplifiers in radio telescopes and deep-space spacecraft communication ground stations. Modern masers can be designed to generate electromagnetic waves at not only microwave frequencies but also radio and infrared frequencies.

Mazerlaser

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The whole system noise temperature looking at cold sky 2. Share: Twitter Reddit Share Link, mazerlaser. Masers are also used as the timekeeping device mazerlaser atomic clocksand mazerlaser extremely low-noise microwave amplifiers in radio telescopes and deep-space spacecraft communication ground stations.

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Mazerlaser

Maser — quantum generator, emitting coherent electromagnetic waves in the centimeter range microwaves. Maser, principle of operation. Types of masers. Maser eng. The principle of its action maser similar to a laser , but it works in the microwave range. In standard conditions the atoms and molecules of a substance are in thermodynamic equilibrium with each other and with the environment. Thus, the higher the energy of the excited state of an atom or molecule, the smaller the number of atoms and molecules being in the excited state. To create a stimulated emission of the atoms and molecules of a substance, it must be placed in a non-equilibrium environment in which the number of excited atoms or molecules more than unexcited. Excited atoms or molecules have electrons in higher energy levels.

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ISSN For other uses, see Maser disambiguation. Main article: Hydrogen maser. Dshaunbirch Well-known member Leaker. The term is an acronym for microwave amplification by stimulated emission of radiation. ISBN Archived from the original on July 29, When the coherent optical oscillator was first imagined in , it was originally called the "optical maser". Toggle sidebar. Norman Ramsey and his colleagues first conceived of the maser as a timing standard. Bibcode : ApJ

Electrons absorb an electric current or electromagnetic wave and become excited, which means they jump from a low energy state to a higher energy state.

For this reason, Townes suggested replacing "microwave" with "molecular" as the first word in the acronym "maser". Device for producing coherent EM waves in the sub-visible spectrum. Categories : American inventions Laser types Microwave technology Optical devices Russian inventions 20th-century inventions. The History of the Laser. Reactions: sinneraxel , newtonlang , Chiefsfan21 and 10 others. Maser-like stimulated emission has also been observed in nature from interstellar space , and it is frequently called "superradiant emission" to distinguish it from laboratory masers. Log in. The term is an acronym for microwave amplification by stimulated emission of radiation. Archived from the original on July 29, In other projects. Bibcode : ApJ Accept Learn more….