The MICADO first light imager for the ELT: FDR optical design of the SCAO Wavefront Sensor

被引：0
|
作者：
Cohen, M. [1 ]
Chemla, F. [1 ]
Gendron, E. [2 ]
Clenet, Y. [2 ]
Davies, R. [3 ]
机构：
[1] Univ PSL, Observ Paris, CNRS, GEPI, Paris, France
[2] Univ Paris Cite, Sorbonne Univ, Univ PSL, LESIA,Observ Paris,CNRS, Paris, France
[3] Max Planck Inst Extraterr Phys, Garching, Germany
来源：
ADAPTIVE OPTICS SYSTEMS IX | 2024年 / 13097卷
关键词：
optical design; MICADO; SCAO; pyramid wavefront sensor; double-pyramid prism; achromatic pyramid; atmospheric dispersion corrector; K-mirror; NCPA;
D O I：
10.1117/12.3022000
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
MICADO is the Multi-AO Imaging Camera for Deep Observations. It will equip the Extremely Large Telescope (ELT) with a first light capability for diffraction limited imaging at near-infrared wavelengths. It is intended to be operated in two Adaptive Optics ( AO) modes, including the Single Conjugated Adaptive Optics Mode (SCAO) under the responsibility of CNRS. The project is currently in the process of ending the Final Design Review (FDR). This paper describes the FDR optical design for the SCAO Wavefront Sensor (WFS). It gives the rationale for the technical choices and the calculations for the most critical components, specifically proposing a method for designing an achromatic double-pyramid prism component.
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页数：27
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