Abstract
In this paper we report the first results of a fiber optics beam-combiner at the focus of the IOTA interferometer. The spatial filtering of the atmospheric turbulent optical modes by single-mode fiber optics enabled us to measure fringe contrasts with precisions far superior to that of classical all-optics beam-combiners. This demonstrates the potential of single-mode fibers for light recombination in imaging interferometers with high-dynamic range. A potential application is expected to be the direct detection of planet-like objects around stars.
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Perrin, G., Coudé Du Foresto, V., Mariotti, JM., Ridgway, S.T., Carleton, N.P., Traub, W.A. (1997). High Accuracy Optical Visibilities on Long Baselines: First Results and Prospects. In: Eiroa, C., Alberdi, A., Thronson, H., De Graauw, T., Schalinski, C.J. (eds) Infrared Space Interferometry: Astrophysics & the Study of Earth-Like Planets. Astrophysics and Space Science Library, vol 215. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5468-0_32
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DOI: https://doi.org/10.1007/978-94-011-5468-0_32
Publisher Name: Springer, Dordrecht
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