Persistent Identifier
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hdl:2014/38996 |
Publication Date
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2003-01-09 |
Title
| Planet detection and spectroscopy in visible light with a single aperture telescope and a nulling coronagraph |
Author
| Shao, Michael (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Serabyn, Eugene (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Levine, Bruce Martin (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Beichman, Charles (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Liu, Duncan (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Martin, Stefan (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Orton, Glen (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Mennesson, Bertrand (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Morgan, Rhonda (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Velusamy, Thangasamy (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Wallace, J. Kent (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.)
Unwin, Stephen (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003.) |
Point of Contact
|
Use email button above to contact.
Shao, Michael |
Description
| This talk describes a new concept for visible direct detection of Earth like extra solar planets using a nulling coronagraph instrument behind a 4m telescope in space. In the baseline design, a 4 beam nulling interferometer is synthesized from the telescope pupil, producing a very deep theta^4null which is then filtered by a coherent array of single mode fibers to suppress the residual scattered light. With perfect optics, the stellar leakage is less than 1e-11 of the starlight at the location of the planet. With diffraction limited telescope optics (lambda/20), suppression of the starlight to ~1e-10 is possible. The concept is described along with the key advantages over more traditional approaches such as apodized aperture telescopes and Lyot type coronagraphs. |
Subject
| Other |
Production Date
| 2003-01-09 |