Large Binocular Telescope Interferometer: The universal beam combiner

Philip M. Hinz; Tom Connors; Tom McMahon; Andrew Cheng; Chien Y. Peng; William F. Hoffmann; Donald W. McCarthy; J. Roger P. Angel

doi:10.1117/12.552337

Large Binocular Telescope Interferometer: The universal beam combiner

Philip M. Hinz, Tom Connors, Tom McMahon, Andrew Cheng, Chien Y. Peng, William F. Hoffmann, Donald W. McCarthy, J. Roger P. Angel

Research output: Contribution to journal › Conference article › peer-review

22 Scopus citations

Abstract

The Large Binocular Telescope with its single mount design and adaptive optics integrated into the secondary mirrors, I provides a unique platform for mid-infrared interferometry. The Large Binocular Telescope Interferometer is designed to take advantage of this platform, specifically for extrasolar planet detection in preparation for the Terrestrial Planet Finder mission. The instrument consists of three components: a general purpose or Universal Beam Combiner (UBC) which preserves the sine condition of the array, a nulling interferometer for the LBT (NIL) to overlap the two beams and sense phase variations, and a milling-optimized mid-infrared camera (NOMIC) for detection of the final images. Here we focus on the design and tolerancing of the UBC. The components of the system are currently being fabricated and the instrument is planned to be integrated with the LBT in 2006.

Original language	English (US)
Article number	88
Pages (from-to)	787-797
Number of pages	11
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5491
Issue number	PART 2
DOIs	https://doi.org/10.1117/12.552337
State	Published - 2004
Event	New Frontiers in Stellar Interferometry - Glasgow, United Kingdom Duration: Jun 21 2004 → Jun 25 2004

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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abstract = "The Large Binocular Telescope with its single mount design and adaptive optics integrated into the secondary mirrors, I provides a unique platform for mid-infrared interferometry. The Large Binocular Telescope Interferometer is designed to take advantage of this platform, specifically for extrasolar planet detection in preparation for the Terrestrial Planet Finder mission. The instrument consists of three components: a general purpose or Universal Beam Combiner (UBC) which preserves the sine condition of the array, a nulling interferometer for the LBT (NIL) to overlap the two beams and sense phase variations, and a milling-optimized mid-infrared camera (NOMIC) for detection of the final images. Here we focus on the design and tolerancing of the UBC. The components of the system are currently being fabricated and the instrument is planned to be integrated with the LBT in 2006.",

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AU - Hinz, Philip M.

AU - Connors, Tom

AU - McMahon, Tom

AU - Cheng, Andrew

AU - Peng, Chien Y.

AU - Hoffmann, William F.

AU - McCarthy, Donald W.

AU - Angel, J. Roger P.

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Large Binocular Telescope Interferometer: The universal beam combiner

Abstract

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