Contrast Enhancement of Binary Star System Using an Optical Vortex Coronagraph
classification
⚛️ physics.optics
physics.ins-detphysics.space-ph
keywords
starcoronagraphopticalvortexbinarysystemadaptiveangular
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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. In particular we suppressed by 97% the primary star of a barely resolvable binary system, Cor Caroli, having an effective angular separation of only 1.4 lambda/D. The secondary star suffered no suppression.
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