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- W4285586051 abstract "Multiconjugate adaptive Optic Relay For ELT Observations (MORFEO, formerly known as MAORY) is the multiconjugate adaptive optics system of the ELT, providing a diffraction limited correction over a 60 field to the near infrared spectroimager MICADO; it recently completed the preliminary design phase. MORFEO's tomographic sensing is based on 12 WaveFront Sensors (WFS) working with 6 Laser Guide Stars (LGS) and 3 Natural Guide Star (NGS) and the wavefront correction is realized through the ELT's adaptive M4 and up to 2 post-focal deformable mirrors. Under median conditions, MORFEO will provide about 35% SR in K band with a 50% sky coverage at the galactic pole, and 55% SR in optimal conditions with a SR variation of ≤ 10% over a 60 corrected field. In this work we brie y summarize the key aspects of the AO system, focusing on the analysis that motivates the main design choices for wavefront sensors, deformable mirrors, real-time control and the many auxiliary loops envisaged to maintain an optimal and stable correction during the observation." @default.
- W4285586051 created "2022-07-16" @default.
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- W4285586051 date "2022-08-30" @default.
- W4285586051 modified "2023-10-14" @default.
- W4285586051 title "MAORY/MORFEO @ ELT: preliminary design of the adaptive optics subsystem" @default.
- W4285586051 doi "https://doi.org/10.1117/12.2629606" @default.
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