由相干测量重建源的逆问题
On the inverse problem of source reconstruction from coherence measurements
摘要：
本文研究了部分相干光在菲涅耳区传输的逆源问题。数据是远离源测量的场的相干性。重建是基于最小残留制定，它使用作者最近的封闭形式的近似公式的传播场的相干性。所开发的算法需要一个小的数据样本的收敛和产量稳定的反演利用信息的一致性，而不是强度的测量。仿真和实验数据的例子表明，所提出的方法，同时恢复复杂的源在不同的平面横向的传播方向的能力。
英文摘要：
We consider an inverse source problem for partially coherent light propagating in the Fresnel regime. The data is the coherence of the field measured away from the source. The reconstruction is based on a minimum residue formulation, which uses the authors' recent closed-form approximation formula for the coherence of the propagated field. The developed algorithms require a small data sample for convergence and yield stable inversion by exploiting information in the coherence as opposed to intensity-only measurements. Examples with both simulated and experimental data demonstrate the ability of the proposed approach to simultaneously recover complex sources in different planes transverse to the direction of propagation.
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