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Sparse aperture masking (SAM) at NAOS/CONICA on the VLT

Tuthill, Peter G; Lacour, Sylvestre; Amico, P; Norris, Barnaby R M; Stewart, Paul; Evans, Thomas; Kraus, Adam L; Lidman, Christopher; Pompei, Emanuela; Kornweibel, Nicholas; Ireland, Michael


The new operational mode of aperture masking interferometry has been added to the CONICA camera which lies downstream of the Adaptive Optics (AO) corrected focus provided by NAOS on the VLT-UT4 telescope. Masking has been shown to deliver superior PSF calibration, rejection of atmospheric noise and robust recovery of phase information through the use of closure phases. Over the resolution range from about half to several resolution elements, masking interferometry is presently unsurpassed in...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.856806


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