Functional and performance tests of the fringe and flexure tracking system for LINC-NIRVANA

C. Rauch; A. Eckart; M. Horrobin; B. Lindhorst; S. Rost; S. Smajić; C. Straubmeier; E. Tremou; I. Wank; J. Zuther

doi:10.1117/12.926036

12 September 2012 Functional and performance tests of the fringe and flexure tracking system for LINC-NIRVANA

C. Rauch, A. Eckart, M. Horrobin, B. Lindhorst, S. Rost, S. Smajić, C. Straubmeier, E. Tremou, I. Wank, J. Zuther

Author Affiliations +

Proceedings Volume 8445, Optical and Infrared Interferometry III; 844538 (2012) https://doi.org/10.1117/12.926036
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

LINC-NIRVANA is a near-Infrared homothetic, beam combining camera for the Large Binocular Telescope that offers Multi-Conjugate Adaptive Optics wavefront correction and fringe tracking to achieve a time-stable fringe pattern. Therefore, the trajectory of the reference source has to be followed as accurate as possible for a precise point spread function acquisition. The presented measurement campaign shows detector positioning errors exceeding the requirements significantly and indicates that these huge errors arise from the software, while the installed hardware matches the requirements.

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C. Rauch, A. Eckart, M. Horrobin, B. Lindhorst, S. Rost, S. Smajić, C. Straubmeier, E. Tremou, I. Wank, and J. Zuther "Functional and performance tests of the fringe and flexure tracking system for LINC-NIRVANA", Proc. SPIE 8445, Optical and Infrared Interferometry III, 844538 (12 September 2012); doi: 10.1117/12.926036; https://doi.org/10.1117/12.926036

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