Contrast Enhancement of Binary Star System Using an Optical Vortex Coronagraph

Details Contrast Enhancement of Binary Star System Using an Optical Vortex Coronagraph Contrast Enhancement of Binary Star System Using an Optical Vortex Coronagraph

2008-05-07

arxiv.org/abs/0805.0837v1

Physics

Optics

Keywords: Coronagraph, Optical Vortex, High Contrast Imaging, Binary Star, Extrasolar Planet, Fourier Optics, Electron Beam Li

Scientific paper

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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