atomic frequency

atomic frequency

[ə¦täm·ik ′frē·kwən·sē]
(solid-state physics)
One of the vibrational frequencies of an atom in a crystal lattice.
References in periodicals archive ?
The development of optical atomic frequency standards open the possibilities of combining the very high frequencies (100s THz) and ultra-high Quality (Q) leading to very high stabilities and resolution.
Mercury Atomic Frequency Standard Development for Space Based Navigation and Timekeeping
Government-sponsored effort to develop a low-power, miniature, affordable precision atomic frequency reference.
The NPE consists of several transmitter units and the mission data unit, both designed and built by ITT; Atomic Frequency Time Standard; passive RF components and various harnesses and cables.
If the RF oscillator is phase-locked to an atomic frequency standard, the comb will form an accurate frequency ruler covering the entire near infrared region from 1100 nm to 2200 nm.
Excelitas to Distribute AccuBeat's Rubidium Atomic Frequency and Timing Products for Military Applications in the United States and Canada
The Advanced Technology Atomic Frequency Standard (ATAFS) development program will emphasize improved frequency stability and integrity of output signal," commented Captain Kristi Lowenthal, program manager for the ATAFS project at the GPS Joint Program Office at Los Angeles Air Force Base.
It follows that the stan ding wave, which has a period [lambda]/2 (with some very small corrections; see below), has a periodicity that is essentially as well determined as the atomic frequency.
Contract award: design, fabrication, and testing atomic frequency standard based on the cesium fountain structure - 2 pieces.
Robert Lutwak to Speak on Atomic Frequency Standards - June 2-5, 2009 - Boulder, CO
New developments in optical frequency metrology [6, 7] may soon make this system practical as an atomic frequency standard or clock.
Garvey has been involved in the design of atomic frequency standards and clocks.