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Proceedings Article

Developing wide-field spatio-spectral interferometry for far-infrared space applications

[+] Author Affiliations
David Leisawitz, Matthew R. Bolcar, Richard G. Lyon, Stephen F. Maher, Nargess Memarsadeghi, Stephen A. Rinehart, Evan J. Sinukoff

NASA Goddard Space Flight Ctr. (United States)

Proc. SPIE 8445, Optical and Infrared Interferometry III, 84450A (September 12, 2012); doi:10.1117/12.926812
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From Conference Volume 8445

  • Optical and Infrared Interferometry III
  • Françoise Delplancke; Jayadev K. Rajagopal; Fabien Malbet
  • Amsterdam, Netherlands | July 01, 2012

abstract

Interferometry is an affordable way to bring the benefits of high resolution to space far-IR astrophysics. We summarize an ongoing effort to develop and learn the practical limitations of an interferometric technique that will enable the acquisition of high-resolution far-IR integral field spectroscopic data with a single instrument in a future space-based interferometer. This technique was central to the Space Infrared Interferometric Telescope (SPIRIT) and Submillimeter Probe of the Evolution of Cosmic Structure (SPECS) space mission design concepts, and it will first be used on the Balloon Experimental Twin Telescope for Infrared Interferometry (BETTII). Our experimental approach combines data from a laboratory optical interferometer (the Wide-field Imaging Interferometry Testbed, WIIT), computational optical system modeling, and spatio-spectral synthesis algorithm development. We summarize recent experimental results and future plans. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

David Leisawitz ; Matthew R. Bolcar ; Richard G. Lyon ; Stephen F. Maher ; Nargess Memarsadeghi, et al.
" Developing wide-field spatio-spectral interferometry for far-infrared space applications ", Proc. SPIE 8445, Optical and Infrared Interferometry III, 84450A (September 12, 2012); doi:10.1117/12.926812; http://dx.doi.org/10.1117/12.926812


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