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arXiv 2101.05445physics.opticseess.IV
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从扩展物体直接波前传感:一种通用传感器

Direct wavefront sensing from extended objects: a general sensor

Changwei Li, Yanting Lu, Sijiong Zhang

摘要:

从扩展对象的波前感测是一项具有挑战性的任务,因为要感测的相位被从扩展对象的结构生成的相位干扰。为了解决这个问题,提出了一种通用波前传感器。传感器的硬件由场镜、准直透镜、微透镜阵列和摄像机组成。其算法思想是通过每个小透镜消除由扩展物体引起的相位并重建点扩散函数。其结果是,波前传感的情况下,从一个扩展的目标已转换为传统的一个从点源。数值仿真和实验均验证了该传感器的可行性和准确性。

英文摘要:

Wavefront sensing from an extended object is a challenging task since the phase to be sensed is disturbed by the phase generated from the structure of the extended object. To address this problem, a general wavefront sensor was proposed. The hardware of the sensor consists of a field lens, a collimating lens, a lenslet array, and a camera. The idea for its algorithm is to eliminate the phase caused by the extended object and reconstruct the point spread function through each lenslet. As a result, the scenario of wavefront sensing from an extended object has been converted to the conventional one from a point source. Numerical simulations and experiments both verify the feasibility and the accuracy of the proposed sensor.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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