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High contrast internal and external coronagraph masks produced by various techniques

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dc.contributor.author Balasubramanian, Kunjithapatham
dc.contributor.author Wilson, Daniel
dc.contributor.author White, Victor
dc.contributor.author Muller, Richard
dc.contributor.author Dickie, Matthew
dc.contributor.author Yee, Karl
dc.contributor.author Ruiz, Ronald
dc.contributor.author Shaklan, Stuart
dc.contributor.author Cady, Eric
dc.contributor.author Kern, Brian
dc.contributor.author Belikov, Ruslan
dc.contributor.author Guyon, Olivier
dc.contributor.author Kasdin, N. Jeremy
dc.date.accessioned 2014-03-06T21:38:38Z
dc.date.available 2014-03-06T21:38:38Z
dc.date.issued 2013-08-28
dc.identifier.citation SPIE Optics and Photonics, San Diego, California, August 25-29, 2013 en_US
dc.identifier.clearanceno CL#13-4088
dc.identifier.uri http://hdl.handle.net/2014/44413
dc.description.abstract Masks for high contrast internal and external coronagraphic imaging require a variety of masks depending on different architectures to suppress star light. Various fabrication technologies are required to address a wide range of needs including gradient amplitude transmission, tunable phase profiles, ultra-low reflectivity, precise small scale features, and low-chromaticity. We present the approaches employed at JPL to produce pupil plane and image plane coronagraph masks, and lab-scale external occulter type masks by various techniques including electron beam, ion beam, deep reactive ion etching, and black silicon technologies with illustrative examples of each. Further development is in progress to produce circular masks of various kinds for obscured aperture telescopes. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013 en_US
dc.subject Exoplanet en_US
dc.subject occulter en_US
dc.subject PIAA en_US
dc.subject Shaped pupil en_US
dc.subject Modified Band Limited Coronagraph en_US
dc.subject Vector Vortex Coronagraph en_US
dc.subject Phase Induced Amplitude Apodization Complex Mask Coronagraph en_US
dc.title High contrast internal and external coronagraph masks produced by various techniques en_US
dc.type Preprint en_US


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