论文标题
带有三阶段AO架构（TSAO）的GMAGAO-X的可见极端自适应光学器件（TSAO）
Visible extreme adaptive optics for GMagAO-X with the triple-stage AO architecture (TSAO)
论文作者
论文摘要
极大的望远镜将需要数百个跨学生的执行器才能在可见的情况下进行高弹性。我们设想GMT/GMAGAO-X的三阶段AO（TSAO）系统来实现这一目标。第一阶段是由IR金字塔波前传感器控制的4K DM，该传感器提供了一阶校正。第二阶段包含具有21000个执行器的GMAGAO-X的高阶平行DM，并包含一个用于相相段的分阶段的干涉延迟线。该阶段使用Zernike波前传感器进行高阶模式，并使用全息图分散的边缘传感器进行节段活塞控制。最后，第三阶段使用专用的3K DM来用于非官方路径像差控制和冠状波前控制，并使用焦平面波前传感和控制。已经选择了三重阶段体系结构以创建更简单的解耦控制循环。这项工作描述了与gmagao-X一起为EXAO拟议的三阶段AO架构的性能。
The Extremely Large Telescopes will require hundreds of actuators across the pupil for high Strehl in the visible. We envision a triple-stage AO (TSAO) system for GMT/GMagAO-X to achieve this. The first stage is a 4K DM controlled by an IR pyramid wavefront sensor that provides the first order correction. The second stage contains the high-order parallel DM of GMagAO-X that has 21000 actuators and contains an interferometric delay line for phasing of each mirror segment. This stage uses a Zernike wavefront sensor for high-order modes and a Holographic Dispersed Fringe Sensor for segment piston control. Finally, the third stage uses a dedicated 3K dm for non-common path aberration control and the coronagraphic wavefront control by using focal plane wavefront sensing and control. The triple stage architecture has been chosen to create simpler decoupled control loops. This work describes the performance of the proposed triple-stage AO architecture for ExAO with GMagAO-X.
