• Accueil
  • Accès
  • Contact
  • Drapeau français

Heure légale française [...]

:: ()


  • Presentation
  • News
  • Scientific teams
    • Earth Rotation and Space Geodesy
      • Enseignement
      • Membres de l’équipe
      • Last publications
      • Cooperation
      • Research activity
    • Systèmes de référence célestes
      • News
    • Theory and Metrology
      • Team
      • Research Projects
      • Internships, PhD, Post-docs, fixed-time contracts
    • Optical frequency metrology
      • Experiments
      • Publications
      • Job offers
      • Team members
      • Resources
      • Links
    • Microwave references and time scales
      • Activities
        • The atomic fountains
        • High frequency stability compact clocks
        • PHARAO-ACES
        • Time-scales
        • Time and Frequency Transfer
      • Team members
      • Offers
      • Publications
    • Atom Interferometry and Inertial Sensors
      • Team members
      • Research topics
      • Ongoing projects
        • Gravimeter
        • Gyrachip
        • TACC
        • Gyroscope
        • MIGA
        • Gradio
        • ForcaG
      • Former Projects
        • Miniatom: Miniaturize Inertial Sensors
        • Gyroroscope-Accelerometer
        • Deformable mirror
      • Publications
      • Internships
      • Phd, post-docs,technical personnel
      • Links
      • Ressources
    • History of astral sciences
      • Projets et humanités numériques
      • Conseils, comités et collections
      • Formation
      • Membres de l’équipe
      • Séminaires et colloques
        • Séminaire «Physique et astronomie aux XVIIe et XVIIIe siècles»
        • Séminaire "le goût de l’archive"
        • Séminaire d’histoire de l’Astronomie
        • Séminaire «la mobilité des savants et les échanges scientifiques en Europe»
        • Séminaire «Qu’appelle-t-on les débuts de la science classique ?»
      • Vient de paraître
      • Postes à pourvoir
  • Technological and common services
    • Electronics
      • Composition de l’équipe et locaux
      • Mission de service commun
      • Missions de R&D conseils, valorisation
      • Réalisations de dispositifs électroniques internes
      • Réalisations dans le cadre de transferts et de valorisation
    • Mecanics
      • Activités de soutien technique
      • Activités de valorisation
      • Membres du service MUTA
    • Administration
    • IT
  • Services Center
    • Centre de conventions de l’IERS
    • Centre de produits du système céleste
    • Earth Rotation Service
    • National References of Time
    • Earth-Moon data analysis center
    • VLBI Analysis Center
      • News
    • GBOT- Ground Based Optical Tracking
  • Internships, PhD, Post-docs
  • Open positions
  • Colloquia and seminars
  • Publications





Syrte

  • Non destructive micro-wave detection of coherent quantum dynamics in a laser-cooled atom sample

    27 February 2021

    A new method of nondestructive detection of the quantum state of laser-cooled atoms has been demonstrated by a SYRTE team. Non-destructive methods, which preserve the state of the cold atom gas almost intact after its measurement, is one of the important objectives set by the ten-year program for the development of quantum technologies as defined by the European Union. It is also an important technological milestone that has just been passed for the industrial manufacture of compact cold atom quantum sensors.

  • Record-breaking laser link to test relativity and earth science applications

    22 January 2021

    A Franco-Australian team has set a new world record for frequency-stabilized laser transmission by combining phase stabilization technology with advanced self-guided optical terminals. Together, these technologies made it possible to send laser signals from one point to another by correcting fluctuations introduced by atmospheric turbulence. This is the world’s most accurate method for comparing clocks between two distinct locations.

  • Comparison of optical clocks by satellite

    15 January 2021

    A direct comparison of five optical clocks and six atomic fountains, located at INRIM, LNE-SYRTE, NPL and PTB, was performed using two high-performance satellite techniques: broadband TWSTFT and GPS PPP. This was the first time that very wide band (20 Mchip/s) pseudo-random noise codes available on commercial TWSTFT modems were used for optical clock comparisons. This campaign represented the most comprehensive coordinated simultaneous operation of optical clocks to date.

  • T-REFIMEVE winner of the call PIA 3 Equipements Structurants pour la Recherche (ESR/Equipex)

    18 December 2020

    T-REFIMEVE, coordinated by Laboratoire de Physique des Lasers, and co-coordinated by SYRTE, winners of the call for Equipements structurants pour la recherche

  • Pacôme Delva is awarded the 2020 Medal of the Academia of Air and Space

    8 December 2020

    Pacôme Delva is awarded the 2020 Medal of the Academia of Air and Space

  • Denis Savoie is the winner the Gaïa 2020 prize "Histoire et Recherche"

    19 November 2020

    Denis Savoie, an associate member of SYRTE, a recognized expert in sundials, is the winner of the Gaïa 2020 Prize!

  • Publication of the book "Geophysical Modeling of the Polar Motion" by Editions de Gruyter

    2 November 2020

    Christian Bizouard, Geophysical Modeling of the Polar Motion, De Gruyter Studies in Mathematical Physics, 31, 372 p.

  • Rémi Geiger junior member of Institut Universitaire de France

    30 September 2020

    Rémi Geiger is nominated as junior member of IUF as of 1st october, 2020

  • Did you know? The LNE-SYRTE of Observatoire de Paris is a partner of the Service National d’Observation (SNO) Gravimétrie.

    2 September 2020

    Four different French institutions (EOST in Strasbourg, OBSPM in Paris, OREME in Montpellier and LSSB in Rustrel) operate four different sites in France that contribute to the International Geodynamic and Tidal Service IGETS.

  • Iodine frequency stabilized laser for ground tests of LISA mission

    20 August 2020

    An all-fibered frequency-stabilized laser source device whose volume does not exceed 30 liters is being developed at SYRTE by the optical frequency metrology team. This device consists of a telecom C-band laser source at 1.5 µm (near IR) supplemented by an original frequency tripling device developed and patented by SYRTE. The device is then associated with a molecular transition of iodine to 515 nm (green) which serves as a frequency reference.

The SYRTE department - Sytèmes de Référence Temps Espace - belong to Observatoire de Paris - Université PSL and is also associated with the CNRS (National Research Center) and Sorbonne Université

It is a leader in time and frequenciy metrology and is also specialized in Earth rotation, celestial reference frame and history of Astronomy.
SYRTE has a multidisciplinary research activity with transverse expertise in theory, instrumentation and data analysis and various goals from fundamental physics tests to industrial transfers.It is founder membre of Laboratoire d’Excellence du Programme Investissements d’Avenir FIRST-TF.

It has in charge several international services. Associated with the LNE - Laboratoire National de Métrologie et d’Essais - the SYRTE has the responsability of the national reference time and frequence. With the IERS (International Earth Rotation Service), it deliver Earth rotation parameters and other services.

Its teams take part in training and education by giving university lectures and also spread scientific culture by organizing public talks.


Current french and UTC times? | National References of Time


  • Informations internes
  • Organigramme
  • Mentions légales