An AO real-time control solution for ELT scale instrumentation and application to EAGLE
An AO real-time control solution for ELT scale instrumentation and application to EAGLE
复制标题
ELT 秤仪表的 AO 实时控制解决方案及其在 EAGLE 中的应用
DOI：
10.1117/12.925377
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
Basden A
中科院分区：
文献类型：
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作者：
Basden A
EAGLE 是一种用于 E-ELT 的多 IFU 仪器，具有完整的多对象 AO 系统。该 MOAO 系统当前的基线设计包括多达六颗激光导星和五颗自然导星。二十个科学通道将使用相应数量的独立 84x84 致动器可变形镜进行校正，但波前传感器不会观察到所应用的校正。除此之外，E-ELT M4 镜子也是 AO 系统的一部分，并将以闭环方式运行。这里介绍了一种基于 Durham AO 实时控制平台 (DARC) 的 EAGLE 实时控制系统的可能设计。使用我们现有的硬件，我们将基于 EAGLE 子集（单个 IFU 通道）的实现来呈现性能结果。然后可以将其复制二十次以获得完整的 EAGLE 实时控制系统，因为每个通道都是独立的。我们还考虑了其他 ELT 仪器的实时控制系统的实施，以及我们的方法可以带我们走多远。
EAGLE is a proposed multi-IFU instrument for the E-ELT, with a full multi-object AO system. Current baseline designs for this MOAO system include up to six laser guide stars and five natural guide stars. Twenty science channels will be corrected using a corresponding number of independent 84x84 actuator deformable mirrors, though the applied corrections will not be observed by the wavefront sensors. In addition to this, the E-ELT M4 mirror is also part of the AO system, and will operate in closed loop. One possible design for a real-time control system for EAGLE is presented here, based on the Durham AO Real-time Control platform (DARC). Using hardware that we have available, we will present performance results based on the implementation of a sub-set of EAGLE, a single IFU channel. This can then be replicated twenty times to obtain a full EAGLE real-time control system, since each channel is independent. We also consider the implementation of real-time control systems for other ELT instruments, and how far our approach can take us.