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14 September 2005 The Fourier-Kelvin stellar interferometer (FKSI): a progress report and preliminary results from our nulling testbed
R. K. Barry, W. C. Danchi, V. J. Chambers, J. Rajagopal, L. J. Richardson, A. Martino, D. Deming, M. Kuchner, R. Linfield, R. Millan-Gabet, L. A. Lee, J. D. Monnier, L. G. Mundy, C. Noecker, S. Seager, D. J. Wallace, R. J. Allen, W. A. Traub, H. C. Ford
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Proceedings Volume 5905, Techniques and Instrumentation for Detection of Exoplanets II; 59050Z (2005) https://doi.org/10.1117/12.627827
Event: Optics and Photonics 2005, 2005, San Diego, California, United States
Abstract
The Fourier-Kelvin Stellar Interferometer (FKSI) is a mission concept for an imaging and nulling interferometer for the near infrared to mid-infrared spectral region (3-8 microns). FKSI is a scientific and technological pathfinder to TPF/DARWIN as well as SPIRIT, SPECS, and SAFIR. It will also be a high angular resolution system complementary to JWST. There are four key scientific issues the FKSI mission is designed to address. First, we plan to characterize the atmospheres of the known extra-solar giant planets. Second, we will explore the morphology of debris disks to look for resonant structures to find and characterize extrasolar planets. Third, we will observe young stellar systems to understand their evolution and planet forming potential, and study circumstellar material around a variety of stellar types to better understand their evolutionary state. Finally, we plan to measure detailed structures inside active galactic nuclei. We report results of simulation studies of the imaging capabilities of the FKSI with various configurations of two to five telescopes including the effects of thermal noise and local and exozodiacal dust emission. We also report preliminary results from our symmetric Mach-Zehnder nulling testbed.
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R. K. Barry, W. C. Danchi, V. J. Chambers, J. Rajagopal, L. J. Richardson, A. Martino, D. Deming, M. Kuchner, R. Linfield, R. Millan-Gabet, L. A. Lee, J. D. Monnier, L. G. Mundy, C. Noecker, S. Seager, D. J. Wallace, R. J. Allen, W. A. Traub, and H. C. Ford "The Fourier-Kelvin stellar interferometer (FKSI): a progress report and preliminary results from our nulling testbed", Proc. SPIE 5905, Techniques and Instrumentation for Detection of Exoplanets II, 59050Z (14 September 2005); https://doi.org/10.1117/12.627827
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KEYWORDS
Beam splitters
Planets
Interferometers
Sensors
Stars
Visibility
Wavefronts
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