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The wide-field spatio-spectral interferometer: system overview, data synthesis and analysis
Author(s): Roser Juanola-Parramon; Alex Iacchetta; David T. Leisawitz; Matthew R. Bolcar; Stephen F. Maher; Stephen A. Rinehart
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Paper Abstract

The Wide-field Imaging Interferometry Testbed (WIIT) is a double Fourier (DF) interferometer operating at optical wavelengths, and provides data that are highly representative of those from a space-based far-infrared interferometer like SPIRIT. We have used the testbed to observe both geometrically simple and astronomically representative test scenes. Here we present an overview of the astronomical importance of high angular resolution at the far infrared, followed by the description of the optical set-up of WIIT, including the source simulator CHIP (Calibrated Hyperspectral Image Projector). We describe our synthesis algorithms used in the reconstruction of the input test scenes via a simulation of the most recent measurements. The updated algorithms, which include instruments artifacts that allow the synthesis of DF experimental data, are presented and the most recent results analyzed.

Paper Details

Date Published: 9 July 2018
PDF: 13 pages
Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107011K (9 July 2018); doi: 10.1117/12.2314162
Show Author Affiliations
Roser Juanola-Parramon, NASA Goddard Space Flight Ctr. (United States)
Alex Iacchetta, Univ. of Rochester (United States)
David T. Leisawitz, NASA Goddard Space Flight Ctr. (United States)
Matthew R. Bolcar, NASA Goddard Space Flight Ctr. (United States)
Stephen F. Maher, NASA Goddard Space Flight Ctr. (United States)
Stephen A. Rinehart, NASA Goddard Space Flight Ctr. (United States)


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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