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Extended aperture line-scanning Hartmann wavefront sensor

机译:扩展光圈线扫描Hartmann波前传感器

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摘要

We first propose a line-scanning Hartmann wavefront sensor (LS-HWS) with extended aperture. In the LS-HWS, a line-scanning imaging sensor was driven by a motor and scanning behind a large-areaHartman mask. Compared to the traditionalHartman wavefront sensor with two-dimensional imaging sensors, our method can significantly enlarge the aperture because of the larger imaging area with line-scanning imaging sensors. Cross correlation registration was adopted to reduce the scanning error. Experiments on two single spherical lenses and a free-form lens were performed to demonstrate the capability of the LS-HWS method. The results show that our method can achieve an aperture of 17.5 x 37.5mm(2) with the prototype system, which could be further extended easily and is limited only by the size of the line-scanning imaging sensor and the scanning range of the motor. We believe that the LS-HWS method is promising for many wavefront sensing applications where a large aperture is preferred. (C) 2021 Optical Society of America
机译:我们首先提出了一种具有扩展孔径的线扫描哈特曼波前传感器(LS-HWS)。在LS-HWS中,线扫描成像传感器由电机驱动,并在大面积哈特曼掩模后扫描。与传统的哈特曼波前传感器和二维成像传感器相比,由于线扫描成像传感器的成像面积更大,我们的方法可以显著扩大孔径。为了减小扫描误差,采用了互相关配准。在两个单球面透镜和一个自由曲面透镜上进行了实验,以验证LS-HWS方法的性能。结果表明,利用原型系统,我们的方法可以实现17.5×37.5mm(2)的孔径,并且可以很容易地进一步扩展,并且仅受线扫描成像传感器的尺寸和电机的扫描范围的限制。我们相信,LS-HWS方法在许多首选大孔径的波前传感应用中是有前途的。(2021)美国光学学会

著录项

  • 来源
    《Applied optics》 |2021年第12期|共9页
  • 作者

    Xu Hongfeng; Wu Jigang;

  • 作者单位

    Shanghai Jiao Tong Univ Univ Michigan Shanghai Jiao Tong Univ Joint Inst Biophoton Lab Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Univ Michigan Shanghai Jiao Tong Univ Joint Inst Biophoton Lab Shanghai 200240 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用;
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