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Opt Express. 2008 Jul 7;16(14):10200-7.

Astronomical demonstration of an optical vortex coronagraph.

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  • 1College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA. grover.swartzlander@gmail.com

Abstract

Using an optical vortex coronagraph and simple adaptive optics techniques, we have made the first convincing demonstration of an optical vortex coronagraph that is coupled to a star gazing telescope. We suppressed by 97% the primary star of a resolvable binary system, Cor Caroli. The stars had an angular separation of 1.9lambda/D at our imaging camera. The secondary star suffered no suppression from the vortex lens.

PMID:
18607427
[PubMed]
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