Progress on the development of a zonal bimorph deformable mirror

Progress on the development of a zonal bimorph deformable mirror
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带状双压电晶片变形镜研制进展

DOI:
10.1117/12.787892
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发表时间:
2008
期刊:
--
影响因子:
--
通讯作者:
Griffith M
Griffith M
中科院分区:
--
文献类型:
--
作者:
Griffith M

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带状双压电变形镜是一种新概念的自适应反射镜。它利用了通常与双压电晶片反射镜相关的优点,即简单坚固的结构、低电容和成本效益,但与经典的边缘支撑双压电晶片有很大的不同,每个元件都是从下面支撑的。这导致局部(区域)响应,并且使得该装置能够扩展到大孔径、多1000个元件的装置。至关重要的是,连续支撑与柔性电路互连的使用相结合的组合促进了将高密度“高音扬声器”可变形反射镜(DM)组装到较低密度、高动态范围的“低音扬声器”DM上,以产生集成的双级可变形反射镜,其可以同时提供高分辨率和高动态范围。这种装置有可能大大简化天文自适应光学系统的设计。我们提出的ZBDM的发展所取得的进展,由新成立的英国科学和技术设施理事会资助的合作项目的一部分。
The Zonal Bimorph Deformable Mirror (ZBDM) is a new concept of adaptive mirror. It exploits the benefits normally associated with bimorph mirrors, namely simple rugged construction, low capacitance, and cost effectiveness, but in a significant departure from classical, edge supported bimorphs each element is supported from underneath. This results in a localised (zonal) response and enables the device to be scalable up to large aperture, multi-1000 element devices. Crucially, the combination of continuous support coupled with the use of flexi-circuit interconnect promotes the assembly of a high density 'tweeter' deformable mirror (DM) onto a lower density, high dynamic range 'woofer' DM to generate an integrated, dual-stage deformable mirror which can deliver both high resolution and high dynamic range simultaneously. Such a device has the potential to significantly simplify the design of astronomical adaptive optics (AO) systems. We present the progress made on the development of the ZBDM as part of a collaborative project funded by the newly formed UK Science and Technology Facilities Council.
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DOI: --
发表时间: 1998
期刊:
影响因子: --
作者:
A. G. Safrońov
通讯作者: A. G. Safrońov