An Ensemble of Atomic Fountains

Abstract

Four rubidium fountains have been in operation for the past 1.2 years at USNO. Individual fountain performance applications to timekeeping and to tests of Local Position Invariance are presented.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 2012
Accession Number
ADA566333

Entities

People

  • Christopher B. Ekstrom
  • James Hanssen
  • Scott Crane
  • Steven Peil
  • Thomas B. Swanson

Organizations

  • United States Naval Observatory

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Atomic Beam Masers
  • Atomic Clocks
  • Clocks
  • Demographic Cohorts
  • Elements
  • Elliptical Orbits
  • Frequency
  • Frequency Shift
  • General Relativity
  • Invariance
  • Local Oscillators
  • Masers
  • Measurement
  • Rubidium
  • Standards
  • Uncertainty
  • United States