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Photonics-based mid-infrared interferometry: the challenges of polychromatic operation and comparative performances
Author(s): Jan Tepper; Romina Diener; Lucas Labadie; Stefano Minardi; Simon Gross; Alexander Arriola; Michael Withford; Stefan Nolte
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Paper Abstract

This paper is one of a three-part series of papers on photonics-based mid-IR interferometry. Here, we put the emphasis on the challenges of operating integrated optics over a broad wavelength range, a natural condition in the field of Astrophysics. We report on the recent advancements made in obtaining high interferometric contrast (> 90%) through 2-telescope combiners in the mid-IR and give an outlook on more advanced functions and 4-telescope combiners.

Paper Details

Date Published: 9 July 2018
PDF: 11 pages
Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107011B (9 July 2018); doi: 10.1117/12.2307823
Show Author Affiliations
Jan Tepper, Univ. zu Köln (Germany)
Romina Diener, Friedrich-Schiller-Univ. Jena (Germany)
Lucas Labadie, Univ. zu Köln (Germany)
Stefano Minardi, Leibniz-Institut für Astrophysik Potsdam (Germany)
Simon Gross, Macquarie Univ. (Australia)
Alexander Arriola, Macquarie Univ. (Australia)
Michael Withford, Macquarie Univ. (Australia)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)

Published in SPIE Proceedings Vol. 10701:
Optical and Infrared Interferometry and Imaging VI
Michelle J. Creech-Eakman; Peter G. Tuthill; Antoine Mérand, Editor(s)

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