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http://hdl.handle.net/20.500.12386/34458
Titolo: | Pupil plane wavefront sensing for extended and 3D sources | Autori: | RAGAZZONI, Roberto VIOTTO, VALENTINA PORTALURI, ELISA BERGOMI, Maria GREGGIO, Davide DI FILIPPO, Simone RADHAKRISHNAN SANTHAKUMARI, KALYAN KUMAR UMBRIACO, GABRIELE DIMA, Marco MAGRIN, DEMETRIO FARINATO, JACOPO MARAFATTO, Luca ARCIDIACONO, CARMELO BIONDI, FEDERICO |
Data pubblicazione: | 2020 | Titolo del volume in cui è pubblicato il poster: | Adaptive Optics for Extremely Large Telescope 6 (AO4ELT6) | Da pagina:: | arXiv:2012.07560 | Abstract: | The basic outline of a pupil plane WaveFront Sensor is reviewed taking into account that the source to be sensed could be different from an unresolved source, i.e. it is extended, and that it could deploy also in a 3D fashion, enough to exceed the field's depth of the observing telescope. Under these conditions it is pointed out that the features of the reference are not invariant for different position on the pupil and it is shown that the INGOT WFS is the equivalent of the Pyramid for a Laser Guide Star. Under these conditions one can imagine to use a Dark WFS approach to improve the SNR of such a WFS, or to use a corrected upward beam in order to achieve a better use of the LGS photons with respect to an ideal Shack-Hartmann WFS. | Titolo del convegno: | Adaptive Optics for Extremely Large Telescope 6 (AO4ELT6) | Luogo del convegno: | Quebec City, Canada | Periodo del convegno: | June 9-14, 2019 | URI: | http://hdl.handle.net/20.500.12386/34458 | URL: | https://ao4elt6.copl.ulaval.ca/proceedings/401-77AP-251.pdf https://ao4elt6.copl.ulaval.ca/proceedings.html |
DOI: | 10.48550/arXiv.2012.07560 | Bibcode ADS: | 2020arXiv201207560R | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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