News and Events
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2010: T2L2, first time transfer by laser link
2010 T2L2: FIRST TIME TRANSFER BY LASER LINK
News Sciences Science and technologySeptember 5, 2011 -
Measuring time to the thousand-billionth of a...
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...
News SciencesJune 29, 2010 -
T2L2 ready to put Einstein’s theory to the test
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...
News ObservationNovember 6, 2008 -
T2L2 hitches a ride on Jason-2
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...
News SciencesJuly 15, 2008
