Increasing the imaging capabilities of the VLTI using integrated optics

Pierre Y. Kern, Fabien Malbet, Jean-Philippe Berger, Pierre Haguenauer, Isabelle Schanen-Duport, Pierre Labeye, Karine Perraut-Rousselet, Brahim Arezki, Alain Delboulbé, Laurent Jocou, Christian Perrier-Bellet, Wesley A. Traub, Rafael Millan-Gabet, John D. Monnier, Ettore Pedretti, Andreas Glindemann, Pierre Kervella, Emmanuel di Folco, Philippe B. Gitton

Research output: Contribution to journalArticle


Several scientific topics linked to the observation of extended structures around astrophysical sources (dust torus around AGN, disks around young stars, envelopes around AGBs) require imaging capability with milli-arcsecond spatial resolution. The current VLTI instruments, AMBER and MIDI, will provide in the coming months the required high angular resolution, yet without actual imaging. As a rule of thumb, the image quality accessible with an optical interferometer is directly related to the number of telescopes used simultaneously: the more the apertures, the better and the faster the reconstruction of the image. We propose an instrument concept to achieve interferometric combination of N telescopes (4
Original languageEnglish
Pages (from-to)312-320
JournalInterferometry for Optical Astronomy II
Publication statusPublished - 1 Feb 2003

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