Calibration of no-common path aberration in AO system by multi-channel phase-diversity

WANG Bin; WANG Zong-yang; WU Yuan-hao; MA Xin-xue; WEI Pei-feng; WANG Jian-li; LV Jie

doi:10.3788/OPE.20132107.1683

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Calibration of no-common path aberration in AO system by multi-channel phase-diversity

更新时间：2020-08-12

- Calibration of no-common path aberration in AO system by multi-channel phase-diversity
- Optics and Precision Engineering Vol. 21, Issue 7, Pages: 1683-1692(2013)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
  3. 东北师范大学数学与统计学院,吉林长春,130000
  4. 吉林市松花江中学,吉林吉林,132000
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20132107.1683
  CLC： TP212.14
- Received：11 December 2011，
  
  Revised：10 April 2012，
  
  Published Online：15 July 2013，
  
  Published：15 July 2013
- 稿件说明：
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王斌汪宗洋吴元昊马鑫雪卫沛锋王建立吕杰. 利用多通道相位差异波前探测法检测自适应光学系统非共光路像差[J]. 光学精密工程, 2013,21(7): 1683-1692

. Calibration of no-common path aberration in AO system by multi-channel phase-diversity[J]. Editorial Office of Optics and Precision Engineering, 2013,21(7): 1683-1692
王斌汪宗洋吴元昊马鑫雪卫沛锋王建立吕杰. 利用多通道相位差异波前探测法检测自适应光学系统非共光路像差[J]. 光学精密工程, 2013,21(7): 1683-1692 DOI： 10.3788/OPE.20132107.1683.

. Calibration of no-common path aberration in AO system by multi-channel phase-diversity[J]. Editorial Office of Optics and Precision Engineering, 2013,21(7): 1683-1692 DOI： 10.3788/OPE.20132107.1683.

摘要

针对自适应光学系统非共光路像差检测中遇到的若干实际问题，设计了基于多通道相位差异法的波前探测器，用于在不对光路进行任何改变的前提下定量测量自适应光学系统的第一像面到成像相机之间的像差。与前人的双通道相位差异波前探测器相比，该方法对波前具有更强的约束力，从而能够对目标光源的形状容忍力更强，理论上对波前求解的精度更高。将该方法应用于1.23 m口径自适应光学系统的非共光路的静态像差测量，取得了良好的效果，为光路装调带来了极大的方便。将测得的像差直接用于变形镜的初始偏置，大大提高了成像质量。

Abstract

A multichannel Phase Diversity(PD) processing method is designed aiming at some practical problems of the nocommon path static aberration calibration in an Adaptive Optics (AO) system. The method could be used to measure the aberration between the first image plane and the imaging CCD focused plane without changing the optical path. Compared with a traditional doublechannel PD detector

the multichannel PD method has stronger restriction to the calculation of wave front. So it has more endurance for the form of object source

much accuracy for wavefront calculation and more measuring ranges. The method has been used to measure the nocommon path aberration of AO system in a 1.23 m telescope

and a good measuring result is obtained. The obtained result is taken as the offset of a Deformable Mirror(DM) to redress the static aberration

and the image resolution becomes much better.

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references

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