Mid-infrared interferometry on the Chajnantor plateau: the ALIRA project

Vincent Coude du Foresto; Jean Louis Schneider; Guy S. Perrin; Pierre J. Lena; Anne Dutrey

doi:10.1117/12.459944

21 February 2003 Mid-infrared interferometry on the Chajnantor plateau: the ALIRA project

Vincent Coude du Foresto, Jean Louis Schneider, Guy S. Perrin, Pierre J. Lena, Anne Dutrey

Proceedings Volume 4838, Interferometry for Optical Astronomy II; (2003) https://doi.org/10.1117/12.459944
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We propose here to extend ALMA toward the mid-IR wavelength band. We discuss technical aspects and show a scientific breakthrough which would come out of that extension. On the technical side, we consider in particular the following problems raised by its implementation: -Telescope coupling -Beam transportation -Optical pathlength control Alternatively, a solution using heterodyne detection could be considered. As for the scientific programs which could benefit from this proposal, we consider essentially the investigation of extrasolar planets.

Citation Download Citation

Vincent Coude du Foresto, Jean Louis Schneider, Guy S. Perrin, Pierre J. Lena, and Anne Dutrey "Mid-infrared interferometry on the Chajnantor plateau: the ALIRA project", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); https://doi.org/10.1117/12.459944

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