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  1. T2L2 ready to put Einstein’s theory to the test

    Publishing date:

    November 6, 2008

    The T2L2 instrument on board Jason-2 is working well after a 1st series of tests to compare the DORIS instrument’s clock with atomic clocks here on Earth. Scientists are continuing to calibrate the instrument.

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  2. Measuring time to the thousand-billionth of a second

    Publishing date:

    June 29, 2010

    Since 7 June 2010, the Paris Observatory and Côte d’Azur Observatory have been firing lasers into space—more specifically at the T2L2 instrument on the Jason-2 satellite. The purpose of this experiment, coordinated by CNES, is to synchronize two remote clocks with unprecedented levels of precision.

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  3. 2010: T2L2, first time transfer by laser link

    Source:

    • Sciences et techniques

    Publishing date:

    September 5, 2011

    2010 T2L2: FIRST TIME TRANSFER BY LASER LINK

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  4. T2L2 hitches a ride on Jason-2

    Publishing date:

    July 15, 2008

    Three passenger instruments on Jason-2, the ocean surface topography satellite launched 20 June, won’t be measuring sea-surface height. One of them is the Time Transfer by Laser Link instrument (T2L2). Its job is to synchronize clocks.

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  5. Mission

    Publishing date:

    July 22, 2016

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  6. Exploitation

    Publishing date:

    July 22, 2016

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  7. Instrument

    Publishing date:

    July 22, 2016

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  8. Organization

    Publishing date:

    July 22, 2016

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  9. 2010: premier transfert de temps par lien laser par T2L2

    Source:

    • Sciences et techniques

    Publishing date:

    September 5, 2011

    A la fin de l‘été 2010, une première série d’expériences a été réalisée pour transférer le temps entre l’Observatoire de la Côte d’Azur et l’Observatoire de Paris.

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  10. Connaître l’heure au mille-milliardième de seconde près

    Publishing date:

    June 29, 2010

    Depuis le 7 juin 2010, les Observatoires de la Côte d'Azur et de Paris réalisent des tirs laser vers l’espace. Et plus précisément vers l’instrument T2L2 du satellite Jason 2. L’objectif de cette expérience coordonnée par le CNES ? Synchroniser des horloges à distance avec une précision inégalée.

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