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An experimental device, which can be used as a very high resolution microwave spectrometer, a microwave amplifier, or a very stable oscillator, has been built and operated. The device, as used on the ammonia inversion spectrum, depends on the emission of energy inside a high-Q cavity by a beam of ammonia molecules. Lines whose total width at half-maximum is six to eight kilocycles have been observed with the device operated as a spectrometer. As an oscillator, the apparatus promises to be a rather simple source of a very stable frequency.

Notas/Comentarios de José Antonio Martín Pereda:
Primer artículo sobre el máser.


  • Autor/es: J.P.Gordon, H.J.Zeiger, C.H.Townes.
  • Fecha: 1954-07
  • Publicado en: Physical Review 95, 282-284, July 1954.
  • Idioma: Inglés
  • Formato: PDF
  • Contribución: José Antonio Martín Pereda.
  • Palabras clave: Láseres y electroóptica

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