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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 731771.0, MPI für Astronomie / Publikationen_mpia
Designing the METIS SCAO and LTAO systems
Authors:Stuik, R.; Feldt, M.; Hippler, S.; Bertram, T.; Scheithauer, S.; Obereder, A.; Saxenhuber, D.; Brandl, B.; Kenworthy, M.; Jager, R.; Venema, L.
Place of Publication:Bellingham, Wash.
Publisher:SPIE
Date of Publication (YYYY-MM-DD):2016
Audience:Not Specified
Abstract / Description:METIS, the Mid-nfrared E-ELT Imager and Spectrometer, will be providing high-sensitivity imaging and high-resolution spectroscopy in the mid-infrared (3-19 micrometer) to the E-ELT. In order to achieve the exceptional performance required by its driving science cases, exoplanets and proto-planetary disks, METIS will be featuring two Adaptive Optics (AO) systems - a first-light Single Conjugate Adaptive Optics (SCAO) system, complemented by a Laser Tomographic Adaptive Optics (LTAO) system, most likely, a few years after first light. METIS, being one of the three first light science instruments on the European Extremely Large Telescope (E-ELT), will be one of the first instruments using the integrated deformable mirror of the E-ELT for its Adaptive Optics (AO) correction. The internal SCAO system designed to maximize the performance for bright targets and has its wavefront sensors (WFSs) build inside the METIS cryostat to minimize the number of warm surfaces towards the science detectors. Although the internal dichroic will reflect all light short wards of 3 micrometers towards the WFS, only the
External Publication Status:published
Document Type:Other
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2016SPIE.9909E..0BS
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