Experimental verification of an optical vortex coronagraph

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Title: Experimental verification of an optical vortex coronagraph
Author: Lee, Jae; Foo, Gregory; Johnson, Eric; Swartzlander, Grover Jr
Abstract: A coronagraph designed for high contrast imaging applications has been experimentally tested using coherent laser light and a vortex mask of topological charge m 2. Intensity contrast values of 95% were achieved in this first verification of the scheme. Improvements for approaching the theoretical value of 100% are suggested.
Record URI: http://hdl.handle.net/1850/12442
Date: 2006-08-04

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