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Proceedings Paper

Fiber-based heterodyne infrared interferometry: an instrumentation study platform on the way to the proposed Infrared Planet Formation Imager
Author(s): Felipe E. Besser; Alfredo Rates; Nicolas Ortega; Miguel I. Pina; Clemente Pollarolo; Mauricio Romero; Claudio Yañez; Matias Lasen; Nicolas Ramos; Ernest A. Michael
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Paper Abstract

We present concept and first experimental lab results for a low-cost near-infrared heterodyne interferometer based on commercial 1.55μm fiber components with relative phase-stabilization between both telescopes. After a demonstration with 14”-telescopes, the concept should be upgradable to larger numbers of mid- or large-class telescopes. Given that the employed fiber phase stabilization scheme should enable the operation of long baselines, we discuss the applicability of this concept for long-baseline, high telescope number systems (scalability of the concept) and mid-infrared wavelengths. This could finally result in contributions to the design of the large infrared Planet Formation Imager which is being proposed currently.

Paper Details

Date Published: 11 August 2016
PDF: 12 pages
Proc. SPIE 9907, Optical and Infrared Interferometry and Imaging V, 99072L (11 August 2016); doi: 10.1117/12.2233687
Show Author Affiliations
Felipe E. Besser, Univ. de Chile (Chile)
Alfredo Rates, Univ. de Chile (Chile)
Nicolas Ortega, Univ. de Chile (Chile)
Miguel I. Pina, Univ. de Chile (Chile)
Clemente Pollarolo, Univ. de Chile (Chile)
Mauricio Romero, Univ. de Chile (Chile)
Claudio Yañez, Univ. de Chile (Chile)
Matias Lasen, Univ. de Chile (Chile)
Nicolas Ramos, Univ. de Chile (Chile)
Ernest A. Michael, Univ. de Chile (Chile)


Published in SPIE Proceedings Vol. 9907:
Optical and Infrared Interferometry and Imaging V
Fabien Malbet; Michelle J. Creech-Eakman; Peter G. Tuthill, Editor(s)

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