• Thumbnail for Atomic clock
    demonstration of a "quantum logic" optical clock that used aluminum ions to achieve a precision of 10−17. Optical clocks are a very active area of research...
    113 KB (12,189 words) - 06:33, 14 June 2025
  • Optical clocks are the most precise instruments ever developed. The precision of a clock is the smallest unit of time it can measure. Optical clocks reach...
    37 KB (3,823 words) - 20:21, 18 June 2025
  • Thumbnail for Optical lattice clock
    An optical lattice clock is a type of atomic clock that uses neutral atoms confined in an optical lattice, which is a periodic array of laser light, as...
    5 KB (590 words) - 20:29, 18 March 2025
  • Thumbnail for Nuclear clock
    A nuclear clock or nuclear optical clock is an atomic clock being developed that will use the energy of a nuclear isomeric transition as its reference...
    52 KB (5,880 words) - 23:58, 20 March 2025
  • atom. Both the Al-based quantum clock and the Hg-based optical atomic clock track time by the ion vibration at an optical frequency using a UV laser, that...
    13 KB (1,307 words) - 08:07, 13 June 2025
  • Thumbnail for Second
    Atomic Time. These caesium clocks also underpin optical frequency measurements. Optical clocks are based on forbidden optical transitions in ions or atoms...
    35 KB (3,668 words) - 14:27, 14 June 2025
  • unveils first optical clock". English News. Xinhuanet. Archived from the original on 2012-07-15. Retrieved 2013-02-04. "Caesium Beam Atomic Clock". The Government...
    15 KB (699 words) - 01:12, 8 May 2025
  • controller, a system controller that does not use feedback Optical lattice clock, a type of optical clock The Oriental Land Company Search for "OLC" on Wikipedia...
    1 KB (185 words) - 02:08, 13 May 2025
  • Thumbnail for Radium
    } ground state that could serve as the clock transition in an optical clock. A 226Ra+ trapped ion atomic clock has been demonstrated on the   7 s 2 S...
    80 KB (8,535 words) - 12:50, 10 June 2025
  • and inexpensive quantum compass devices. Quantum clock Atomic clock Optical clock Nuclear optical clock Quantum metrology GPS jamming Chen, Sophia (2018)...
    4 KB (409 words) - 21:46, 4 March 2025
  • speeds of less than 10 metres per second using optical atomic clocks connected by 75 metres of optical fiber. Minkowski diagram and twin paradox In the...
    53 KB (6,730 words) - 14:18, 15 May 2025
  • Thumbnail for Laser cooling
    spectroscopy, allowing for high precision measurements and instruments such as optical clocks. The reduction in thermal energy also allows for efficient loading of...
    35 KB (4,023 words) - 12:27, 23 May 2025
  • Dick effect (category Atomic clocks)
    limitation to frequency stability for modern atomic clocks such as atomic fountains and optical lattice clocks. It is an aliasing effect: High frequency noise...
    51 KB (7,000 words) - 03:18, 16 April 2025
  • Thumbnail for Magic wavelength
    Magic wavelength (category Atomic clocks)
    quantity, magic frequency) is the wavelength of an optical lattice where the polarizabilities of two atomic clock states have the same value, such that the AC...
    3 KB (418 words) - 18:42, 17 May 2025
  • Thumbnail for Gravitational redshift
    strontium-87 optical clock transition (429 THz, 698 nm) the group determined the gravitational redshift between the two optical clocks to be 21.18 Hz...
    43 KB (6,013 words) - 05:36, 6 June 2025
  • Thumbnail for Ytterbium
    on several such optical clocks. The model with one single ytterbium ion caught in an ion trap is highly accurate. The optical clock based on it is exact...
    41 KB (5,166 words) - 20:38, 25 May 2025
  • Thumbnail for Tara Fortier
    signals for optical clocks. Her efforts to create optical clocks have contributed to more accurate measurements of the second. Optical clocks use atoms (e.g...
    7 KB (670 words) - 06:36, 27 January 2025
  • Thumbnail for Chip-scale atomic clock
    based on all-optical excitation and a micro-machined containment vessel, US Patent 6,806,784 B2., retrieved 2018-10-10 "Miniaturized Atomic Clock to Support...
    8 KB (902 words) - 00:36, 20 October 2024
  • Thumbnail for Optical power
    In optics, optical power (also referred to as dioptric power, refractive power, focal power, focusing power, or convergence power) is the degree to which...
    3 KB (353 words) - 21:21, 11 May 2025
  • Thumbnail for Clock
    A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals...
    96 KB (11,294 words) - 06:35, 4 June 2025
  • Thumbnail for Clock signal
    clocking techniques ("resonant clock mesh"), on-chip optical interconnect, and local synchronization methodologies. Bit-synchronous operation Clock domain...
    18 KB (2,248 words) - 20:57, 12 April 2025
  • Thumbnail for Optical lattice
    An optical lattice is formed by the interference of counter-propagating laser beams, creating a spatially periodic intensity pattern. The resulting periodic...
    18 KB (2,434 words) - 16:05, 5 March 2025
  • Thumbnail for Optical telegraph
    An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals (a form of optical...
    73 KB (9,353 words) - 16:46, 3 May 2025
  • Thumbnail for Frequency comb
    are two distinct applications of this technique. One is the optical clock, where an optical frequency is overlapped with a single tooth of the comb on...
    35 KB (4,248 words) - 17:10, 23 May 2025
  • Thumbnail for Lens clock
    the result as an optical power in diopters, assuming the lens is made of a material with a particular refractive index. The lens clock has three pointed...
    6 KB (894 words) - 17:38, 13 June 2025
  • Thumbnail for Science and technology in Japan
    advances in automotive engines, television display technology, videogames, optical clocks, and many other fields. Japan is also advanced and a global leader in...
    10 KB (1,140 words) - 16:51, 29 January 2025
  • European project Robust Optical Clocks for International Timescales (ROCIT). In this capacity, she seeks to make optical clocks more robust, such that...
    4 KB (502 words) - 16:03, 16 May 2024
  • Thumbnail for Optical amplifier
    An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier...
    39 KB (5,210 words) - 03:51, 25 May 2025
  • Chou, D. B. Hume, T. Rosenband, D. J. Wineland (24 September 2010), "Optical clocks and relativity", Science, 329(5999): 1630–1633; [1] Shapiro, I. I.;...
    17 KB (2,402 words) - 17:28, 8 June 2025
  • Thumbnail for Hafele–Keating experiment
    id=time-dilation Chou, C. W.; Hume, D. B.; Rosenband, T.; Wineland, D. J. (2010). "Optical Clocks and Relativity". Science. 329 (5999): 1630–1633. Bibcode:2010Sci...329...
    20 KB (2,234 words) - 03:42, 25 May 2025