maser :

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may zer

  • n  an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation

  • In solid-state physics, the maser replaced the transistor as the hottest of all items.
  • In 15 years, electronics has leaped from the vacuum tube to the transistor to the maser and laser.
  • The maser theory led directly to the laser theory in the late 1950s.
News & Articles


  • Charles Townes in OptoIQ
    I invented (the maser) back in 1951, and I worked and worked thinking about how to get to shorter wavelengths,Townes recalled in a 2008 interview. "One morning, sitting on a park bench...... I suddenly had the right idea, namely to use...

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