The effect of defocus error on phase diversity wavefront sensing and its solution

doi:10.13741/j.cnki.11-1879/o4.2025.02.008

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The effect of defocus error on phase diversity wavefront sensing and its solution

更新时间：2025-09-01

- The effect of defocus error on phase diversity wavefront sensing and its solution
- Vol. 51, Issue 2, Pages: 247-251(2025)
- 作者机构：
  
  1:北京理工大学光电学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2025.02.008
  CLC： TP212
- Published：2025
- 稿件说明：
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The effect of defocus error on phase diversity wavefront sensing and its solution[J]. 2025, 51(2): 247-251.
DOI：

The effect of defocus error on phase diversity wavefront sensing and its solution[J]. 2025, 51(2): 247-251. DOI： 10.13741/j.cnki.11-1879/o4.2025.02.008.

摘要

以离焦作为相位变更方式的经典相位变更法波前传感方法，要求离焦量准确已知，这一要求在很多应用中不易被满足，给实际应用带来不便。针对实际应用中可能存在的离焦量误差问题，仿真分析了离焦量误差对经典相位变更法波前传感精度的影响，以及对误差评价函数的影响，进而提出了基于误差评价函数的离焦量搜索算法，以解决离焦量不准确的问题，方便实用。论文还通过大量仿真验证和统计分析，验证并分析了该方法的可行性和性能水平。

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