Practical beam transport for PFI

David Mozurkewich; John Young; Michael Ireland

doi:10.1117/12.2232382

4 August 2016 Practical beam transport for PFI

David Mozurkewich, John Young, Michael Ireland

Author Affiliations +

Proceedings Volume 9907, Optical and Infrared Interferometry and Imaging V; 99073X (2016) https://doi.org/10.1117/12.2232382
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Planet Formation Imager (PFI) is a future kilometric-baseline infrared interferometer to image the complex physical processes of planet formation. Technologies that could be used to transport starlight to a central beam-combining laboratory in PFI include free-space propagation in air or vacuum, and optical fibres. This paper addresses the design and cost issues associated with free-space propagation in vacuum pipes. The signal losses due to diffraction over long differential paths are evaluated, and conceptual beam transport designs employing pupil management to ameliorate these losses are presented and discussed.

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David Mozurkewich, John Young, and Michael Ireland "Practical beam transport for PFI", Proc. SPIE 9907, Optical and Infrared Interferometry and Imaging V, 99073X (4 August 2016); https://doi.org/10.1117/12.2232382

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