Astronomical demonstration of an optical vortex coronagraph

Grover A. Swartzlander; Erin L. Ford; Rukiah S. Abdul-Malik; Laird M. Close; Mary Anne Peters; David M. Palacios; Daniel W. Wilson

doi:10.1364/OE.16.010200

Astronomical demonstration of an optical vortex coronagraph

Grover A. Swartzlander, Erin L. Ford, Rukiah S. Abdul-Malik, Laird M. Close, Mary Anne Peters, David M. Palacios, Daniel W. Wilson

Astronomy

Research output: Contribution to journal › Article › peer-review

162 Scopus citations

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 1.9λ/D at our imaging camera. The secondary star suffered no suppression from the vortex lens.

Original language	English (US)
Pages (from-to)	10200-10207
Number of pages	8
Journal	Optics Express
Volume	16
Issue number	14
DOIs	https://doi.org/10.1364/OE.16.010200
State	Published - Jul 7 2008

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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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 1.9λ/D at our imaging camera. The secondary star suffered no suppression from the vortex lens.",

author = "Swartzlander, {Grover A.} and Ford, {Erin L.} and Abdul-Malik, {Rukiah S.} and Close, {Laird M.} and Peters, {Mary Anne} and Palacios, {David M.} and Wilson, {Daniel W.}",

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AU - Swartzlander, Grover A.

AU - Ford, Erin L.

AU - Abdul-Malik, Rukiah S.

AU - Close, Laird M.

AU - Peters, Mary Anne

AU - Palacios, David M.

AU - Wilson, Daniel W.

PY - 2008/7/7

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N2 - 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 1.9λ/D at our imaging camera. The secondary star suffered no suppression from the vortex lens.

AB - 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 1.9λ/D at our imaging camera. The secondary star suffered no suppression from the vortex lens.

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Astronomical demonstration of an optical vortex coronagraph

Abstract

ASJC Scopus subject areas

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