Nulling interferometry is one of the most promising methods to study habitable extrasolar systems. Several
projects, such as Darwin, TPF, Pegase, FKSI or Aladdin, are currently considered and supported by R&D
One of the main issues of nulling interferometry is the feasibility of a stable polychromatic null despite the
presence of significant disturbances, induced by vibrations, atmospheric turbulence on the ground or satellite
drift for spaceborne missions. To reduce cost and complexity of the whole system, it is necessary to optimize not
only the control loop performance at platform and payload levels, but also their interaction.
In this goal, it was decided in 2006 to build a laboratory demonstrator named Persee. Persee is mostly
funded by CNES and built by a consortium including CNES, IAS, LESIA, OCA, ONERA and TAS. After a
definition phase in 2006, the implementation of the sub-systems has now begun and the integration near Paris
by GIS-PHASE (LESIA, ONERA and GEPI) is planned in 2009.
This paper details the main objectives of PERSEE, describes the definition of the bench, presents the current
status and reports results obtained with the first sub-systems.© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.