15 September 2011 Recent results of the second generation of vector vortex coronagraphs on the high-contrast imaging testbed at JPL
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Abstract
The Vector Vortex Coronagraph (VVC) is an attractive internal coronagraph solution to image and characterize exoplanets. It provides four key pillars on which efficient high contrast imaging instruments can be built for ground- and space-based telescopes: small inner working angle, high throughput, clear off-axis discovery space, and simple layout. We present the status of the VVC technology development supported by NASA. We will review recent results of the optical tests of the second-generation topological charge 4 VVC on the actively corrected High Contrast Imaging Testbed (HCIT) at the Jet Propulsion Laboratory (JPL). New VVC contrast records have been established.
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Dimitri Mawet, Eugene Serabyn, Dwight Moody, Brian Kern, Albert Niessner, Andreas Kuhnert, David Shemo, Russell Chipman, Stephen McClain, John Trauger, "Recent results of the second generation of vector vortex coronagraphs on the high-contrast imaging testbed at JPL", Proc. SPIE 8151, Techniques and Instrumentation for Detection of Exoplanets V, 81511D (15 September 2011); doi: 10.1117/12.896070; https://doi.org/10.1117/12.896070
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