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Image formation in high contrast optical systems : the role of polarization

Show simple item record Breckinridge, James B. 2006-11-28T19:01:59Z 2006-11-28T19:01:59Z 2004-06-21
dc.identifier.citation Astronomical Telescopes and Instrumentation, Glasgow, Scotland, June 21-25, 2004. en
dc.identifier.clearanceno 04-1686
dc.description.abstract To find evidence of life in the Universe outside our solar system is one of the most compelling and visionary adventures of the 21" century. The technologies to create the telescopes and instruments that will enable this discovery are now within the grasp of mankind. Direct imaging of a very faint planet around a neighboring bright star requires high contrast or a hypercontrast optical imaging system capable of controlling unwanted radiation within the system to one part in ten to the 11". This paper identifies several physical phenomena that affect image quality in high contrast imaging systems. Polarization induced at curved metallic surfaces and by anisotropy in the deposition process (Smith-Purcell effect) along with beam shifts introduced by the Goos-Hachen effect are discussed. A typical configuration is analyzed, and technical risk mitigation concepts are discussed. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 664887 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004. en
dc.subject image formation en
dc.subject polorization en
dc.subject coronagraph en
dc.title Image formation in high contrast optical systems : the role of polarization en
dc.type Preprint en

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