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CGH null test design and fabrication for off-axis aspherical mirror tests
A null-lens based on a Computer Generated Hologram (CGH) is designed to test the primary off-axis aspherical mirror of the GAIA space telescope. This custom-designed and fabricated CGH includes fiveExpand
Multi/Demultiplexer And Spectral Isolator For Optical Inter-Satellites Communications
The multi/demultiplexers use filtering, polarizing and phase retarding means to combine and split 4 optical channels, spectrally close to each other (821, 827, 833, 839 nm) with an high isolationExpand
Dual absolute and relative high precision laser metrology
Design, integration, test setup, test results, and lessons-learnt of a high precision laser metrology demonstrator for dual absolute and relative laser distance metrology. Expand
Zeolite adsorbers for molecular contamination control in spacecraft
Contamination control is an important driver in the success of most space missions with more and more stringent constraints of quality and reliability : indeed, most of spacecrafts having equipmentsExpand
ATLID receiving spatial and spectral filtering units: design and associated performances
ATLID (ATmospheric LIDar) is one of the four key instruments of EarthCARE (Earth Clouds, Aerosols and Radiations Explorer) satellite. It is a program of and funded by the European Space Agency andExpand
Towards a better control of optics cleanliness
  • P. Berlioz
  • Environmental Science, Engineering
  • International Conference on Space Optics
  • 21 November 2017
The contamination of optics can considerably degrade the transmission and scattering of spacecraft optics. To prevent efficiently optics from contamination involves introducing since design phaseExpand