环形区域上Zernike模式法波前重构
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摘要: 针对激光技术领域常见的环形激光光束，利用圆域Zernike多项式和环域Zernike多项式进行模式法波前重构，结果显示，如果环形激光光束波前相位畸变主要由低空间频率成分组成，则可以直接利用圆域Zernike多项式进行波前重构；如果环形激光光束波前相位畸变含有较多的高阶频率成分，则利用环域Zernike多项式进行波前重构。
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关键词:
- 自适应光学 /
- 波前重构 /
- 环形激光光束 /
- 圆域Zernike多项式 /
- 环域Zernike多项式
Abstract: Model wavefront reconstruction with Zernike circular polynomial and Zernike annular polynomial for annular laser beam are researched. The results are: if wavefront phase of annular laser beam consists of low frequency components only, Zernike circular polynomial can be used to wavefront reconstruction directly ; if wavefront phase of annular laser beam consists of some high spase-frequency components, Zernike annular polynomial will be better. -
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