Far-infrared heterodyne interferometry from space

W. Wild; F. P. Helmich

doi:10.1117/12.789552

18 July 2008 Far-infrared heterodyne interferometry from space

W. Wild, F. P. Helmich

Proceedings Volume 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV; 70201N (2008) https://doi.org/10.1117/12.789552
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

Many studies on the formation of stars and planets require high angular and high spectral resolution in the far-infrared regime. Even with the upcoming operation of the Herschel Space Observatory, ALMA, and JWST, angular resolutions of better than 1 arcsec combined with high spectral resolution in the crucial far-infrared domain of 1 THz to ~ 10 THz (300 μm to 30 μm) are still beyond observational reach. Only a far-infrared heterodyne interferometer can close this gap. Here we present the general requirements for a FIR heterodyne interferometer in space and address a number of critical key technologies needed for such an instrument.

Citation Download Citation

W. Wild and F. P. Helmich "Far-infrared heterodyne interferometry from space", Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 70201N (18 July 2008); https://doi.org/10.1117/12.789552

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