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Improved high-contrast imaging with on-axis telescopes using a multistage vortex coronagraph |
Optics Letters, Vol. 36, Issue 8, pp. 1506-1508 (2011)
http://dx.doi.org/10.1364/OL.36.001506
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Abstract
The vortex coronagraph is one of the most promising coronagraphs for high-contrast imaging because of its simplicity, small inner working angle, high throughput, and clear off-axis discovery space. However, as with most coronagraphs, centrally obscured on-axis telescopes degrade contrast. Based on the remarkable ability of vortex coronagraphs to move light between the interior and exterior of pupils, we propose a method based on multiple vortices, that without sacrificing throughput, reduces the residual light leakage to
© 2011 Optical Society of America
OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(110.6770) Imaging systems : Telescopes
(350.1260) Other areas of optics : Astronomical optics
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: December 16, 2010
Revised Manuscript: March 3, 2011
Manuscript Accepted: March 3, 2011
Published: April 15, 2011
Citation
Dimitri Mawet, Eugene Serabyn, J. Kent Wallace, and Laurent Pueyo, "Improved high-contrast imaging with on-axis telescopes using a multistage vortex coronagraph," Opt. Lett. 36, 1506-1508 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1506
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