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 journalArticlepeer-review


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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