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  The calibration procedure of the LINC-NIRVANA ground and high layer WFS

Arcidiacono, C., Santhakumari, K. K. R., Viotto, V., Bergomi, M., Briegel, F., Bertram, T., et al. (2018). The calibration procedure of the LINC-NIRVANA ground and high layer WFS.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0005-CF34-8 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0005-CF35-7
Genre: Konferenzband

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externe Referenz:
https://ui.adsabs.harvard.edu/abs/2018SPIE10703E..4RA (beliebiger Volltext)
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 Urheber:
Arcidiacono, Carmelo1, Autor
Santhakumari, Kalyan Kumar R.1, Autor
Viotto, Valentina1, Autor
Bergomi, Maria1, Autor
Briegel, Florian1, Autor
Bertram, Thomas1, Autor
Marafatto, Luca1, Autor
Herbst, Tom1, Autor
Farinato, Jacopo1, Autor
Ragazzoni, Roberto1, Autor
Hofferbert, Ralph1, Autor
Kürster, Martin1, Autor
Kittmann, Frank1, Autor
Berwein, Jürgen1, Autor
Baumeister, Harald1, Autor
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

Inhalt

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Schlagwörter: Astrophysics - Instrumentation and Methods for Astrophysics
 Zusammenfassung: LINC-NIRVANA (LN) is a MCAO module currently mounted on the Rear Bent Gregorian focus of the Large Binocular Telescope (LBT). It mounts a camera originally design to realize the interferometric imaging focal station of the LBT. LN follows the LBT strategy having two twin channels: a double Layer Oriented multi-conjugate adaptive optics system assists the two arms, supplying high order wave-front correction. In order to counterbalance the field rotation a mechanical derotation is applied for the two ground wave-front sensors, and an optical (K-mirror) one for the two high layers sensors, fixing the positions of the focal planes with respect to the pyramids aboard the wavefront sensors. The derotation introduces a pupil images rotation on the wavefront sensors changing the projection of the deformable mirrors on the sensor consequently. The soft real-time computer load the matrix corresponding to the needed at one degree step. Calibrations were performed in daytime only and using optical fibers.

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Sprache(n):
 Datum: 2018
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISBN: 9781510619593
 Art des Abschluß: -

Veranstaltung

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Titel: Adaptive Optics Systems VI
Veranstaltungsort: -
Start-/Enddatum: 2018

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