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Optics InfoBase > Conference Papers > FiO > 2012 > FTh4E > Page FTh4E.2 © 2012 OSA

Conference Paper
Frontiers in Optics
Rochester, New York United States
October 14-18, 2012
ISBN: 978-1-55752-956-5
Diffraction and Coherence (FTh4E)

White-Light Optical Vortex Coronagraph

Prachyathit Kanburapa and Grover A. Swartzlander  »View Author Affiliations


http://dx.doi.org/10.1364/FIO.2012.FTh4E.2


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Abstract

An optical vortex coronagraph with a vortex lens provides high contrast imaging over a narrow band of wavelengths. Here we report broadband experimental results by use of a vortex hologram and a dispersion-compensating grating.

© 2012 OSA

OCIS Codes
(090.2890) Holography : Holographic optical elements
(350.1260) Other areas of optics : Astronomical optics
(050.4865) Diffraction and gratings : Optical vortices

Citation
P. Kanburapa and G. A. Swartzlander, "White-Light Optical Vortex Coronagraph," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTh4E.2.
http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2012-FTh4E.2


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