atomic clock - определение. Что такое atomic clock
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Что (кто) такое atomic clock - определение


Atomic clock         
  • A team of United States Air Force airmen carrying a rubidium clock
  • JILA's 2017 three-dimensional (3-D) quantum gas atomic clock consists of a grid of light formed by three pairs of laser beams. A stack of two tables is used to configure optical components around a vacuum chamber. Shown here is the upper table, where lenses and other optics are mounted. A blue laser beam excites a cube-shaped cloud of strontium atoms located behind the round window in the middle of the table. Strontium atoms fluoresce strongly when excited with blue light.
  • The heart of NIST's next-generation miniature atomic clock – ticking at high "optical" frequencies-- is this vapor cell on a chip, shown next to a coffee bean for scale.
  • [[Louis Essen]] (right) and Jack Parry (left) standing next to the world's first caesium-133 atomic clock <small>(1955)</small>
  • Simplified block diagram of typical commercial cesium beam frequency reference
  • Historical accuracy of atomic clocks from [[NIST]]
  • Space Passive Hydrogen Maser used in ESA Galileo satellites as a master clock for an onboard timing system
  • Hydrogen maser
  • publisher=[[National Science Foundation]]}}</ref>
  • Data points representing atomic clocks around the world that define International Atomic Time (TAI)
  • archive-date=1 April 2014}}</ref>
  • An experimental [[strontium]]-based optical clock
  • url-status=live }}</ref> The rack mounted units in the background are [[Microsemi]] (formerly HP) 5071A caesium beam clocks. The black units in the foreground are Microsemi (formerly Sigma-Tau) MHM-2010 hydrogen maser standards.
  • One of [[NIST]]'s 2013 pair of ytterbium optical lattice atomic clocks
  • A ytterbium lattice clock that uses photons to measure time precisely
EXTREMELY ACCURATE REFERENCE CLOCK USED AS A STANDARD FOR TIMEKEEPING
Atomic clocks; Atomic oscillator; Atomic Clock; Atomic second; Atomic Second; Cesium clocks; Atom clock; Atom clocks; Cesium fountain clock; Optical lattice clock; Optical lattice atomic clock; Optical Clock; Optical clock
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels.
atomic clock         
  • A team of United States Air Force airmen carrying a rubidium clock
  • JILA's 2017 three-dimensional (3-D) quantum gas atomic clock consists of a grid of light formed by three pairs of laser beams. A stack of two tables is used to configure optical components around a vacuum chamber. Shown here is the upper table, where lenses and other optics are mounted. A blue laser beam excites a cube-shaped cloud of strontium atoms located behind the round window in the middle of the table. Strontium atoms fluoresce strongly when excited with blue light.
  • The heart of NIST's next-generation miniature atomic clock – ticking at high "optical" frequencies-- is this vapor cell on a chip, shown next to a coffee bean for scale.
  • [[Louis Essen]] (right) and Jack Parry (left) standing next to the world's first caesium-133 atomic clock <small>(1955)</small>
  • Simplified block diagram of typical commercial cesium beam frequency reference
  • Historical accuracy of atomic clocks from [[NIST]]
  • Space Passive Hydrogen Maser used in ESA Galileo satellites as a master clock for an onboard timing system
  • Hydrogen maser
  • publisher=[[National Science Foundation]]}}</ref>
  • Data points representing atomic clocks around the world that define International Atomic Time (TAI)
  • archive-date=1 April 2014}}</ref>
  • An experimental [[strontium]]-based optical clock
  • url-status=live }}</ref> The rack mounted units in the background are [[Microsemi]] (formerly HP) 5071A caesium beam clocks. The black units in the foreground are Microsemi (formerly Sigma-Tau) MHM-2010 hydrogen maser standards.
  • One of [[NIST]]'s 2013 pair of ytterbium optical lattice atomic clocks
  • A ytterbium lattice clock that uses photons to measure time precisely
EXTREMELY ACCURATE REFERENCE CLOCK USED AS A STANDARD FOR TIMEKEEPING
Atomic clocks; Atomic oscillator; Atomic Clock; Atomic second; Atomic Second; Cesium clocks; Atom clock; Atom clocks; Cesium fountain clock; Optical lattice clock; Optical lattice atomic clock; Optical Clock; Optical clock
¦ noun an extremely accurate type of clock which is regulated by the vibrations of an atomic or molecular system such as caesium or ammonia.
Chip-scale atomic clock         
  • The heart of NIST's next-generation miniature atomic clock -- ticking at high "optical" frequencies-- is this vapor cell on a chip, shown next to a coffee bean for scale.
SMALL FORM FACTOR ATOMIC CLOCK
Chip scale atomic clock
A chip scale atomic clock (CSAC) is a compact, low-power atomic clock fabricated using techniques of microelectromechanical systems (MEMS) and incorporating a low-power semiconductor laser as the light source. The first CSAC physics package was demonstrated at NIST in 2003, based on an invention made in 2001.
Примеры употребления для atomic clock
1. Bookmark to del.icio.us ‘The Atomic Clock‘ A selection from his poetry collection on the occasion of Robert Rosenberg‘s shloshim.
2. At switch–on in 1'80, global positioning systems, which have an atomic clock on each satellite, were synchronised to UTC.
3. The standard of measuring time is now the atomic clock." "It is very stable since it is based on atomic phenomena, so much so that it led to the discovery of the variation in earth‘s rotation, which effectively meant variations in the length of day." "It was then discovered that we needed to keep the atomic clock in time with the earth clock.
4. Whereas, technologists, who depend on the unvarying, uniform frequency of the atomic clock, are not entirely in favour of the leap second.
5. Critics don‘t understand there are people behind the SMS." Bookmark to del.icio.us ‘The Atomic Clock‘ A selection from his poetry collection on the occasion of Robert Rosenberg‘s shloshim.