• A hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision...
  • Hydrogen maser atomic clocks outperform traditional quartz or cesium-based counterparts, offering unparalleled accuracy over extended periods.
  • Mini Passive Hydrogen Maser With the contribution of Orolia Switzerland under an ESA contract financed by ASI, the company has been developing, since 2010...
  • The intent of this discussion is to provide VLBI personnel with an overview of the hydrogen maser, its use in VLBI, and how to assess its operating...
  • In the hydrogen maser, hydrogen atoms are produced in a discharge and, like the molecules of the ammonia maser, are formed into a beam from which...
  • Since 1960, when the first hydrogen frequency standard, the microwave amplification by stimulated emission of radiation (maser), was developed in the laboratory...
  • The VCH-1008M Passive Hydrogen Maser is a compact hydrogen maser with excellent frequency stability and utilises state-of-the-art technology.
  • Basic principles, circuit details, and measurements on a passive hydrogen maser frequency standard are presented.
  • C. Audoin, J. Viennet, P. Lesage. Hydrogen maser : active or passive ?. Journal de Physique Colloques, 1981, 42 (C8), pp.C8-159-C8-170.