Preliminary results obtained with the ZEUS phasing sensor within the APE experiment

I. Surdej; B. Luong; A. Vigan; C. Araujo; R. Bourtembourg; R. Brast; P. Duhoux; C. Dupuy; C. Frank; F. Gonte; R. Karban; R. Mazzoleni; L. Noethe; N. Yaitskova; K. Dohlen

doi:10.1117/12.789689

17 July 2008 Preliminary results obtained with the ZEUS phasing sensor within the APE experiment

I. Surdej, B. Luong, A. Vigan, C. Araujo, R. Bourtembourg, R. Brast, P. Duhoux, C. Dupuy, C. Frank, F. Gonte, R. Karban, R. Mazzoleni, L. Noethe, N. Yaitskova, K. Dohlen

Author Affiliations +

Proceedings Volume 7012, Ground-based and Airborne Telescopes II; 701218 (2008) https://doi.org/10.1117/12.789689
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

In the framework of the Active Phasing Experiment (APE), four different phasing techniques are tested. The ZErnike Unit for Segment phasing sensor (ZEUS) is integrated on the APE bench. APE has been tested in the laboratory before it will be installed on one of the Nasmyth platform of a Very Large Telescope (VLT) Unit Telescope to perform on sky tests. The ZEUS phasing sensor concept has its origins in the Mach-Zehnder interferometer equipped with a spatial filter in its focal plane. In this paper, the ZEUS phasing sensor is described together with its theoretical background and deployment within the APE experiment. The algorithms and its elements used to reconstruct the wavefront are described. Finally, the preliminary results obtained in the laboratory are presented.

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I. Surdej, B. Luong, A. Vigan, C. Araujo, R. Bourtembourg, R. Brast, P. Duhoux, C. Dupuy, C. Frank, F. Gonte, R. Karban, R. Mazzoleni, L. Noethe, N. Yaitskova, and K. Dohlen "Preliminary results obtained with the ZEUS phasing sensor within the APE experiment", Proc. SPIE 7012, Ground-based and Airborne Telescopes II, 701218 (17 July 2008); https://doi.org/10.1117/12.789689

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