
Proceedings Paper
Concept for fiber-based near-infrared interferometry of highest frequency resolutionFormat | Member Price | Non-Member Price |
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Paper Abstract
We are presenting first experimental results for subsystems of a low-cost near-infrared heterodyne interferometer concept based on commercial 1.55μm fiber-components with relative phase-stabilization between both telescopes, a shot noise limited heterodyne scheme with ambient temperature operated photodiodes, an ultra-coherent fiber laser, and a ROACH-based correlator. After we worked on a first demonstration with two 14” amateur telescopes on Betelgeuse, the concept should be upgradable to connect mid- or large-class telescopes, also given that the employed fiber phase stabilization scheme will enable the operation of long baselines.
Paper Details
Date Published: 24 July 2014
PDF: 12 pages
Proc. SPIE 9146, Optical and Infrared Interferometry IV, 914634 (24 July 2014); doi: 10.1117/12.2057203
Published in SPIE Proceedings Vol. 9146:
Optical and Infrared Interferometry IV
Jayadev K. Rajagopal; Michelle J. Creech-Eakman; Fabien Malbet, Editor(s)
PDF: 12 pages
Proc. SPIE 9146, Optical and Infrared Interferometry IV, 914634 (24 July 2014); doi: 10.1117/12.2057203
Show Author Affiliations
R. Prado, Univ. de Chile (Chile)
L. Pallanca, Univ. de Chile (Chile)
L. Pallanca, Univ. de Chile (Chile)
Published in SPIE Proceedings Vol. 9146:
Optical and Infrared Interferometry IV
Jayadev K. Rajagopal; Michelle J. Creech-Eakman; Fabien Malbet, Editor(s)
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