| 相位变更方法发展简述 |
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| 引用本文： | 王欣,赵达尊,毛珩,王潇. 相位变更方法发展简述[J]. 光学技术, 2009, 35(3) |
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| 作者姓名： | 王欣 赵达尊 毛珩 王潇 |
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| 作者单位： | 北京理工大学,光电工程系,北京,100081;北京理工大学,光电工程系,北京,100081;北京理工大学,光电工程系,北京,100081;北京理工大学,光电工程系,北京,100081 |
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| 摘 要： | 相位变更(Phase diversity,PD)波前传感是一种较新的波前传感方法,它使用相对简单的光学系统,运用最优化计算方法,借鉴图像处理中的一些技术手段,在得到波前信息的同时,还可以得到目标的清晰像。PD方法经过20多年的发展,在理论上和技术上日臻完善,已经在空间望远镜共相位调整,目标成像清晰化处理等多个领域得到了应用。但PD方法也存在计算量大,探测动态范围小等缺点,其在实际光学系统中的应用仍有待于进一步的研究和探讨。
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| 关 键 词： | 应用光学 相位变更 波前传感 分块镜 相位恢复 图像恢复 |
The development of phase diversity |
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| WANG Xin,ZHAO Da-zun,MAO Heng,WANG Xiao. The development of phase diversity[J]. Optical Technique, 2009, 35(3) |
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| Authors: | WANG Xin ZHAO Da-zun MAO Heng WANG Xiao |
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| Affiliation: | Photon-electronic Eng.Dept.;Beijing Institute of Technology;Beijing 100081;China |
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| Abstract: | Phase diversity is one kind of advanced wavefront sensing technique.The optical system involved is relatively simple.It makes use of the methods of optimization and image processing,which can jointly estimate the phase aberration and image with the focused and the additional defocused image of the same extended object.The method of phase diversity has been used in cophasing the segmented telescopes and recovering high quality image.The performance of the method is not yet perfect because its computations ha... |
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| Keywords: | applied optics phase diversity wavefront sensing segmented telescope phase retrieval image restoration |
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