Recombining light of the VLTI at 10 microns by densifying the images

Michel Dugue; Bruno Lopez; Frank Przygodda; Uwe Graser; Philippe B. Gitton; Sebastian Wolf; Philippe Mathias; Pierre Antonelli; J. C. Augereau; Nicole Berruyer; Yves Bresson; Olivier Chesneau; Anne Dutrey; Sebastien Flament; Annelie W. Glazenborg-Kluttig; Andreas Glindemann; Thomas Henning; Karl-Heinz Hofmann; Stephane Lagarde; Yves Hugues; Christoph Leinert; Klaus Meisenheimer; Jean-Luc Menut; Ralf-Rainer Rohloff; Alain Roussel; Eric M. Thiebaut; Gerd P. Weigelt

doi:10.1117/12.551543

20 October 2004 Recombining light of the VLTI at 10 microns by densifying the images

Michel Dugue, Bruno Lopez, Frank Przygodda, Uwe Graser, Philippe B. Gitton, Sebastian Wolf, Philippe Mathias, Pierre Antonelli, J. C. Augereau, Nicole Berruyer, Yves Bresson, Olivier Chesneau, Anne Dutrey, Sebastien Flament, Annelie W. Glazenborg-Kluttig, Andreas Glindemann, Thomas Henning, Karl-Heinz Hofmann, Stephane Lagarde, Yves Hugues, Christoph Leinert, Klaus Meisenheimer, Jean-Luc Menut, Ralf-Rainer Rohloff, Alain Roussel, Eric M. Thiebaut, Gerd P. Weigelt

Author Affiliations +

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.551543
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

APreS-MIDI (APerture Synthesis in the MID-Infrared) instrument function is to recombine 4 telescope beams of the VLTI. Interference fringes are sampled in the pupil plane. The optical principle uses "image densification". It is perfectly adapted for reconstructing images by aperture synthesis at 10mm. This principle could be used for building a new generation 10mm instrument, but instead of making a totally new instrument, we propose the design of an optical module that can supply the current MIDI-VLTI instrument with 4 beams.

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Michel Dugue, Bruno Lopez, Frank Przygodda, Uwe Graser, Philippe B. Gitton, Sebastian Wolf, Philippe Mathias, Pierre Antonelli, J. C. Augereau, Nicole Berruyer, Yves Bresson, Olivier Chesneau, Anne Dutrey, Sebastien Flament, Annelie W. Glazenborg-Kluttig, Andreas Glindemann, Thomas Henning, Karl-Heinz Hofmann, Stephane Lagarde, Yves Hugues, Christoph Leinert, Klaus Meisenheimer, Jean-Luc Menut, Ralf-Rainer Rohloff, Alain Roussel, Eric M. Thiebaut, and Gerd P. Weigelt "Recombining light of the VLTI at 10 microns by densifying the images", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); https://doi.org/10.1117/12.551543

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KEYWORDS

Telescopes

Synthetic apertures

Astatine

Interferometry

Mid-IR

Segmented mirrors

Mirrors

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