| タイトル | Path Length Control in a Nulling Coronagraph with a MEMS Deformable Mirror and a Calibration Interferometer |
| 著者（英） | Chakrabarti, Supriya; Jung, Paul; Cook, Timothy; Lane, Benjamin; Wallacea, J. Kent; Schmidtlin, Edouard; Samuele, Rocco; Levine, B. Martin; Rao, Shanti R.; Shao, Mike; Hicks, Brian; Stewart, Jason B.; Mendillo, Chris |
| 著者所属（英） | Jet Propulsion Lab., California Inst. of Tech. |
| 発行日 | 2008-01-23 |
| 言語 | eng |
| 内容記述 | We report progress on a nulling coronagraph intended for direct imaging of extrasolar planets. White light is suppressed in an interferometer, and phase errors are measured by a second interferometer. A 1020-pixel MEMS deformable mirror in the first interferometer adjusts the path length across the pupil. A feedback control system reduces deflections of the deformable mirror to order of 1 nm rms. |
| NASA分類 | Instrumentation and Photography |
| 権利 | Copyright |
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