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28 August 1998 Telescope design for direct imaging of extrasolar planets
Paul N. Robb; Lothar W. Bandermann; Bernhard M. Haisch
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Proceedings Volume 3356, Space Telescopes and Instruments V; (1998) https://doi.org/10.1117/12.324481
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States
Abstract
We report on the design of a single 1.5-2.0-meter orbiting telescope capable of direct imaging of Jupiter-class planets around solar-type stars at a distance of up to 10 parsecs. Unlike previous designs, our telescope would operate in the visible spectrum, measuring reflected light to maximize angular resolution. The telescope would achieve a contrast of up to 10 orders of magnitude by utilizing a combination of superpolished low-scattering mirror surfaces, Gregorian telescope design with field and Lyot stops, and low-loss apodization to control diffraction. Calculations indicate that the system should reliably detect Jupiter-class planets around solar-class stars at angular separations of 0.5 arcsec. Such a single-telescope system would fit within the constraints of a Discovery-level NASA program and would serve as a pathfinder for large space-based interferometric systems.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Paul N. Robb, Lothar W. Bandermann, and Bernhard M. Haisch "Telescope design for direct imaging of extrasolar planets", Proc. SPIE 3356, Space Telescopes and Instruments V, (28 August 1998); https://doi.org/10.1117/12.324481
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