Credits line : ESA - P. Sebirot

ULISS  Cryogenic Sapphire Oscillator has already proved its maturity and reliability in various place and laboratory. Contact them to make your own opinion.



Local oscillator for atomic clock of SYRTE laboratory France

In February 2015, a measurement campaign (2 months) was lead at SYRTE laboratory (SYstèmes de Référence Temps Espace, Observatoire de Paris, Paris, France). The collaboration made it possible to show that our system was ready to be used as local oscillator on their atomic clock. The results have been published in IEEE TUFFC in 2016.



Metrology qualification at Centre National d'Etudes Spatiales (CNES) Toulouse

Uliss team came to Toulouse (France) to qualify the flying model of the PHARAO ultra low-noise microwave frequency synthesis chain.

The PHARAO project aims at operating a cold-atoms cesium clock in microgravity in the International Space Station (ISS). Some results of the test campaign is reported in a paper published in the journal Review of Scientific Instruments.

The ULISS van in front of the CNES
Installation of the CSO in a CNES cleanroom

Metrology qualification of the Large Laser Gyroscope at VLBI observatory in Wettzell (Germany)

Uliss team came to the VLBI obervatory of Wettzell (Germany) to qualify the Large Laser Gyroscope system.

ULISS in front of the VLBI observatory.
Uliss in situ.

Metrology qualification of a composite clock at UTINAM institute Besançon

Uliss team came to Besançon observatory (France) to characterize a composite clock (Quartz - H Maser - Cesium). Details on the test campaign will be reported in future publication.



ULISS in front of UTINAM institute.
Uliss in situ: CSO in the foreground and the synthesis chain of the composite clock in the background.

Metrology qualification of an ultra-stable laser at Laboratoire Temps Fréquence (LTF) Neuchâtel

Uliss team came to Neuchâtel (Switzerland) to characterize two ultra-stable laser developped at LTF. The collaboration has suceed in the presentation at the conference Europhoton 2012. We also took the oportunity to test the state-of-the-art quartz oscillator from Oscilloquartz. Results of these campaigns are presented in a paper published in the journal Review of Scientific Instruments (RSI).

Uliss team under the snow before departure to LTF
Uliss ready for test at LTF

Already in operation for ESA

The first autonomous CSO, i.e. ELISA, is already in operation since June 2009. It has been designed and built in collaboration between Femto-ST Institute, the National Physical Laboratory (UK) and TimeTech GmbH (D).

Since April 2012, ELISA is installed in the new ESA Deep Space Station (DS3) in Malargüe (Argentina). The tests validate in situ performances of the CSO.

Road to DS3 station.
The 35-metre deep space antenna in its environment.
Back of the antenna.
The Uliss team in front of the antenna.
The antenna by night.
Elisa in situ.
The Uliss team finalizes assembling of Elisa.
Elisa ready for operation.