Hydrogen-Maser Principles and Techniques

Phys. Rev. 138, A972 – Published 17 May 1965
D. Kleppner, H. C. Berg, S. B. Crampton, N. F. Ramsey, R. F. C. Vessot, H. E. Peters, and J. Vanier


Techniques and design principles relevant to the construction and operation of a hydrogen maser are presented in detail. These include methods for the generation of atomic hydrogen, state selection, design of the microwave cavity, production of very low magnetic fields, coating the hydrogen storage bulb, and tuning the maser. A figure of merit is introduced which indicates the optimum choice of parameters.

DOI: http://dx.doi.org/10.1103/PhysRev.138.A972

  • Received 17 December 1964
  • Published in the issue dated May 1965

© 1965 The American Physical Society

Authors & Affiliations

D. Kleppner*, H. C. Berg, S. B. Crampton, and N. F. Ramsey

  • Harvard University, Cambridge, Massachusetts

R. F. C. Vessot, H. E. Peters, and J. Vanier

  • Varian Associates, Beverly, Massachusetts

  • *Alfred P. Sloan Foundation Fellow.
  • Junior Fellow, Society of Fellows, Harvard University.
  • National Science Foundation Postdoctoral Fellow.

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