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High Fidelity Optical Modeling for the TMT

机译:TMT的高保真光学建模

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摘要

The Thirty Meter Telescope (TMT) is a Ritchey-Chritien optical telescope with a 30-meter diameter primary mirror made up of 492 hexagonal segments. Such a large and complex optical system requires detailed modeling of the optical performance during the design phase. An optical modeling computational framework has been developed to support activities related to wavefront & image performance prediction. The model includes effects related to mirror shape sensing & control, mirror alignment & phasing, Ml segment control, low order wavefront correction, adaptive optics simulation for high order wavefront correction, and high contrast imaging. Here we give an overview of this optical simulation framework, the modeling tools and algorithms that are used, and a set of sample analyses. These tools have been used in many aspects of the system design process from mirror specification to instrument & sensor design to algorithm development and beyond.
机译:Thirty Meter望远镜(TMT)是Ritchey-Chritien光学望远镜,其直径为30米的主镜由492个六角形片段组成。如此庞大而复杂的光学系统需要在设计阶段对光学性能进行详细建模。已经开发了光学建模计算框架来支持与波前和图像性能预测有关的活动。该模型包括与反射镜形状感测和控制,反射镜对准和定相,MI段控制,低阶波前校正,用于高阶波前校正的自适应光学仿真以及高对比度成像有关的效果。在这里,我们对光学仿真框架,所使用的建模工具和算法以及一组样本分析进行了概述。这些工具已用于系统设计过程的许多方面,从镜像规范到仪器和传感器设计再到算法开发等等。

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