Measurements of Atomic Interactions and Frequency Stability with a Cryogenic Hydrogen Maser

Abstract

With support from the Air Force Office of Scientific Research, we have developed a hydrogen maser that operates near 0.5 K using a high-cooling- power 3 He refrigerator. We have used this cryogenic hydrogen maser to study low temperature atomic hydrogen spin-exchange collisions and hydrogen-helium interactions, and to investigate the performance of cryogenic hydrogen masers as possibly improved frequency standards.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1993
Accession Number
ADA271132

Entities

People

  • Robert F. Vessot

Organizations

  • Smithsonian Astrophysical Observatory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Astrophysics
  • Atomic Beam Masers
  • Audio Frequency
  • Collisions
  • Data Sets
  • Frequency
  • Frequency Shift
  • Frequency Standards
  • Hydrogen
  • Low Temperature
  • Magnetic Fields
  • Masers
  • Measurement
  • Quantum Properties
  • Scientific Research
  • Standards

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Positioning, Navigation, and Timing (PNT) Technology.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.