Control Algorithms of Liquid Crystal Phased Arrays Used as Adaptive Optic Correctors

机译：液晶相控阵用作自适应光学校正器的控制算法

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Multi-segment liquid crystal phased arrays have been demonstrated as adaptive optics elements for correction of atmospheric turbulence. High speed dual-frequency nematic liquid crystal has sufficient bandwidth to keep up with moderate atmospheric Greenwood frequencies. However the segmented piston correction only spatial nature of the devices requires novel approaches to control algorithms especially when used with Shack-Hartmann wave front sensors. In this presentation we explore approaches and their effects on closed loop Strehl ratios. A Zemike modal based approach has produced the best results. The presentation will contain results from experiments with a Meadowlark optics liquid crystal device.

机译：已经证明了多段液晶相控阵列作为用于校正大气湍流的自适应光学元件。高速双频向列液晶具有足够的带宽，可以跟上适中的格林伍德频率。然而，仅设备的分段活塞校正仅具有空间性质，尤其是与Shack-Hartmann波前传感器一起使用时，需要新颖的方法来控制算法。在本演示中，我们探讨了方法及其对闭环斯特列尔比率的影响。基于Zemike模态的方法已产生最佳结果。该演示文稿将包含Meadowlark光学液晶设备的实验结果。

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来源
《Advanced Wavefront Control: Methods, Devices, and Applications IV》|2006年|P.630604.1-630604.9|共9页
会议地点 San DiegoCA(US)
作者
David Dayton; John Gonglewski; Stephen Browne;
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作者单位

Applied Technology Associates, 1900 Rolph SE, Albuquerque, NM 87106;

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会议组织
原文格式 PDF
正文语种 eng
中图分类信息处理（信息加工）;波导光学与集成光学;
关键词
adaptive optics; nematic liquid crystal;

机译：自适应光学;向列液晶;

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机译：闭环和开环控制下带有液晶校正器的自适应光学系统的性能仿真
3. Theory and laboratory demonstrations on the use of a nematic liquid-crystal phase modulator for controlled turbulence generation and adaptive optics [J] . David C. Dayton, Stephen L. Browne, Steven P. Sandven Applied optics . 1998,第21a24期

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4. Control algorithms of liquid crystal phased arrays used as adaptive optic correctors [C] . David Dayton, John Gonglewski, Stephen Browne Conference on Advanced Wavefront Control: Methods, Devices, and Applications . 2006

机译：用作自适应光学校正的液晶相控阵的控制算法
5. A wavefront reconstructor and control computer for the University of Chicago adaptive optics system and the corrected field-of-view of an adaptive optics system and two methods to increase it. [D] . Chun, Mark Richard. 1997

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8. Liquid Crystal Based Adaptive Optics System: Software v1.0 Final Report forProject: Wavefront Sensing for Liquid Crystal Adaptive Optics [R] . Gourlay, J. 1996

机译：基于液晶的自适应光学系统：软件v1.0项目最终报告：液晶自适应光学的波前传感

Control Algorithms of Liquid Crystal Phased Arrays Used as Adaptive Optic Correctors

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