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http://hdl.handle.net/20.500.12386/29484
Titolo: | The calibration procedure of the LINC-NIRVANA ground and high layer WFS | Autori: | ARCIDIACONO, CARMELO RADHAKRISHNAN SANTHAKUMARI, KALYAN KUMAR VIOTTO, VALENTINA BERGOMI, Maria Briegel, Florian Bertram, Thomas MARAFATTO, Luca Herbst, Tom FARINATO, JACOPO RAGAZZONI, Roberto Hofferbert, Ralph Kürster, Martin Kittmann, Frank Berwein, Jürgen Baumeister, Harald |
Data pubblicazione: | 2018 | Titolo del volume in cui è pubblicato il poster: | Adaptive Optics Systems VI | Curatore/i del volume in cui è pubblicato il contributo: | Close, Laird M.; Schreiber, Laura; Schmidt, Dirk | Serie: | PROCEEDINGS OF SPIE | Numero: | 10703 | Da pagina:: | 107034R | Abstract: | 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. | Titolo del convegno: | Adaptive Optics Systems VI | Luogo del convegno: | Austin, Texas, United States | Periodo del convegno: | 10 - 15 June, 2018 | URI: | http://hdl.handle.net/20.500.12386/29484 | URL: | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10703/2313152/The-calibration-procedure-of-the-LINC-NIRVANA-ground-and-high/10.1117/12.2313152.full?SSO=1 https://ui.adsabs.harvard.edu/link_gateway/2018SPIE10703E..4RA/EPRINT_HTML |
ISSN: | 0277-786X | ISBN: | 9781510619593 9781510619609 |
DOI: | 10.1117/12.2313152 | Bibcode ADS: | 2018SPIE10703E..4RA | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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