Final results of the PERSEE experiment

J.-M. Le Duigou; J. Lozi; F. Cassaing; K. Houairi; B. Sorrente; J. Montri; S. Jacquinod; J.-M. Réess; L. Pham; E. Lhomé; T. Buey; F. Hénault; A. Marcotto; P. Girard; N. Mauclert; M. Barillot; V. Coudé du Foresto; M. Ollivier

doi:10.1117/12.2309220

20 November 2017 Final results of the PERSEE experiment

J.-M. Le Duigou, J. Lozi, F. Cassaing, K. Houairi, B. Sorrente, J. Montri, S. Jacquinod, J.-M. Réess, L. Pham, E. Lhomé, T. Buey, F. Hénault, A. Marcotto, P. Girard, N. Mauclert, M. Barillot, V. Coudé du Foresto, M. Ollivier

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Proceedings Volume 10564, International Conference on Space Optics — ICSO 2012; 105640E (2017) https://doi.org/10.1117/12.2309220
Event: International Conference on Space Optics 2012, 2012, Ajaccio, Corsica, France

Abstract

The PERSEE breadboard, developed by a consortium including CNES, IAS, LESIA, OCA, ONERA and TAS since 2006, is a nulling demonstrator that couples an infrared nulling interferometer with a formation flying simulator able to introduce realistic disturbances in the set-up. The general idea is to prove that an adequate optical design can considerably release the constraints applied at the spacecrafts level of a future interferometric space mission like Darwin/TPF or one of its precursors. The breadboard is now fully operational and the measurements sequences are managed from a remote control room using automatic procedures. A set of excellent results were obtained in 2011: the measured polychromatic nulling depth with non polarized light is 8.8x10^-6 stabilized at 9x10^-8 in the [1.65-2.45] μm spectral band (37% bandwidth) during 100s. This result was extended to a 7h duration thanks to an automatic calibration process. The various contributors are identified and the nulling budget is now well mastered. We also proved that harmonic disturbances in the 1-100Hz up to several tens of nm rms can be very efficiently corrected by a Linear Quadratic Control (LQG) if a sufficient flux is available. These results are important contributions to the feasibility of a future space based nulling interferometer.

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J.-M. Le Duigou, J. Lozi, F. Cassaing, K. Houairi, B. Sorrente, J. Montri, S. Jacquinod, J.-M. Réess, L. Pham, E. Lhomé, T. Buey, F. Hénault, A. Marcotto, P. Girard, N. Mauclert, M. Barillot, V. Coudé du Foresto, and M. Ollivier "Final results of the PERSEE experiment", Proc. SPIE 10564, International Conference on Space Optics — ICSO 2012, 105640E (20 November 2017); https://doi.org/10.1117/12.2309220

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