METIS high-contrast imaging: from final design to manufacturing and testing
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909255305527296 |
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| author | Absil, Olivier Kenworthy, Matthew Delacroix, Christian de Xivry, Gilles Orban König, Lorenzo Pathak, Prashant Doelman, David Por, Emiel Snik, Frans Born, Joost van den Cantalloube, Faustine Carlotti, Alexis Courtney-Barrer, Benjamin Forsberg, Pontus Karlsson, Mikael Bertram, Thomas van Boekel, Roy Dolkens, Dennis Feldt, Markus Glauser, Adrian M. Pantin, Eric Quanz, Sascha P. Bettonvil, Felix Brandl, Bernhard |
| author_facet | Absil, Olivier Kenworthy, Matthew Delacroix, Christian de Xivry, Gilles Orban König, Lorenzo Pathak, Prashant Doelman, David Por, Emiel Snik, Frans Born, Joost van den Cantalloube, Faustine Carlotti, Alexis Courtney-Barrer, Benjamin Forsberg, Pontus Karlsson, Mikael Bertram, Thomas van Boekel, Roy Dolkens, Dennis Feldt, Markus Glauser, Adrian M. Pantin, Eric Quanz, Sascha P. Bettonvil, Felix Brandl, Bernhard |
| contents | The Mid-infrared ELT Imager and Spectrograph (METIS) is one of the first-generation scientific instruments for the ELT, built under the supervision of ESO by a consortium of research institutes across and beyond Europe. Designed to cover the 3 to 13 $μ$m wavelength range, METIS had its final design reviewed in Fall 2022, and has then entered in earnest its manufacture, assembly, integration, and test (MAIT) phase. Here, we present the final design of the METIS high-contrast imaging (HCI) modes. We detail the implementation of the two main coronagraphic solutions selected for METIS, namely the vortex coronagraph and the apodizing phase plate, including their combination with the high-resolution integral field spectrograph of METIS, and briefly describe their respective backup plans (Lyot coronagraph and shaped pupil plate). We then describe the status of the MAIT phase for HCI modes, including a review of the final design of individual components such as the vortex phase masks, the grayscale ring apodizer, and the apodizing phase plates, as well as a description of their on-going performance tests and of our plans for system-level integration and tests. Using end-to-end simulations, we predict the performance that will be reached on sky by the METIS HCI modes in presence of various environmental and instrumental disturbances, including non-common path aberrations and water vapor seeing, and discuss our strategy to mitigate these various effects. We finally illustrate with mock observations and data processing that METIS should be capable of directly imaging temperate rocky planets around the nearest stars. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_10588 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | METIS high-contrast imaging: from final design to manufacturing and testing Absil, Olivier Kenworthy, Matthew Delacroix, Christian de Xivry, Gilles Orban König, Lorenzo Pathak, Prashant Doelman, David Por, Emiel Snik, Frans Born, Joost van den Cantalloube, Faustine Carlotti, Alexis Courtney-Barrer, Benjamin Forsberg, Pontus Karlsson, Mikael Bertram, Thomas van Boekel, Roy Dolkens, Dennis Feldt, Markus Glauser, Adrian M. Pantin, Eric Quanz, Sascha P. Bettonvil, Felix Brandl, Bernhard Instrumentation and Methods for Astrophysics The Mid-infrared ELT Imager and Spectrograph (METIS) is one of the first-generation scientific instruments for the ELT, built under the supervision of ESO by a consortium of research institutes across and beyond Europe. Designed to cover the 3 to 13 $μ$m wavelength range, METIS had its final design reviewed in Fall 2022, and has then entered in earnest its manufacture, assembly, integration, and test (MAIT) phase. Here, we present the final design of the METIS high-contrast imaging (HCI) modes. We detail the implementation of the two main coronagraphic solutions selected for METIS, namely the vortex coronagraph and the apodizing phase plate, including their combination with the high-resolution integral field spectrograph of METIS, and briefly describe their respective backup plans (Lyot coronagraph and shaped pupil plate). We then describe the status of the MAIT phase for HCI modes, including a review of the final design of individual components such as the vortex phase masks, the grayscale ring apodizer, and the apodizing phase plates, as well as a description of their on-going performance tests and of our plans for system-level integration and tests. Using end-to-end simulations, we predict the performance that will be reached on sky by the METIS HCI modes in presence of various environmental and instrumental disturbances, including non-common path aberrations and water vapor seeing, and discuss our strategy to mitigate these various effects. We finally illustrate with mock observations and data processing that METIS should be capable of directly imaging temperate rocky planets around the nearest stars. |
| title | METIS high-contrast imaging: from final design to manufacturing and testing |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2407.10588 |