滤波器带宽对傅里叶剪切干涉法精度的影响

1.中国科学院安徽光学精密机械研究所,安徽,合肥,230031

2.中国科学院安徽光学精密机械研究所,安徽,合肥,230031

3.中国科学院安徽光学精密机械研究所,安徽,合肥,230031

4.中国科学院安徽光学精密机械研究所,安徽,合肥,230031

基金项目: 国家科技攻关项目中国科学院合肥研究院物质计算科学中心资助项目

Analysis of Fourier shear interferometry based on LSI

研究了基于横向剪切干涉仪的傅里叶剪切干涉方法,对频域中条纹频谱的分布进行了分析,并着重讨论了在不同强度的湍流效应下,几种滤波器带宽(a=5、6、9、11)对波前复原精度的影响,仿真计算结果表明:为了提高傅里叶剪切干涉法的复原精度,滤波器的带宽应该随着湍流效应的逐渐增强而适当地变窄.

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