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Spatially highly resolved aberrometer: first exprimental characterizations and assessments

机译：空间分辨像差仪：第一实验表征和评估

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摘要

The design of robust Adaptive Optics systems (AO) requires to characterize spatially and temporally the aberrations. Thus, it is of importance to have an instrument able to measure the aberrations at high spatial and temporal resolutions. The high spatial resolution is necessary to have an extended modal decomposition of aberrations, to characterize finely the pupil irradiance and to quantify aliasing and fitting errors. The high temporal resolution is necessary to analyze the evolution of very fast phenomena contributing in the aberration dynamics, e.g. fast pupil movements, tear film and accommodation. Because, Hardware constraints make it difficult to obtain high spatial and temporal resolutions on a single detector, we have designed a new aberrometer comprising two synchronized instruments, one highly spatially resolved, the second one highly temporally resolved that allows to perform such measurements. Preliminary results have been obtained on the highly spatially resolved instrument. The integration of the second instrument is in progress. An overview of the first instrument results is presented in this paper.
机译：鲁棒的自适应光学系统（AO）的设计要求在空间和时间上表征像差。因此，重要的是具有一种能够在高空间和时间分辨率下测量像差的仪器。高的空间分辨率对于像差的扩展模态分解，精细地表征瞳孔辐照度以及量化混叠和拟合误差是必要的。高的时间分辨率对于分析像差动力学中非常快的现象的演变是必不可少的。快速的瞳孔运动，泪膜和住宿。因为硬件的限制使得很难在单个检测器上获得高的空间和时间分辨率，所以我们设计了一种新的像差计，该像差计包括两个同步的仪器，一个高度空间分辨，第二个高度时间分辨，可以执行这样的测量。在高度空间分辨的仪器上已获得初步结果。第二项文书的整合工作正在进行中。本文介绍了第一个仪器的结果。

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  • 来源
    《Ophthalmic technologies XXII》|2012年|p.82091X.1-82091X.8|共8页
  • 会议地点 San Francisco CA(US)
  • 作者

    B. Emica; S. Meimon; J-M. Conan; T. Fusco; G. Chenegros; M. Paques;

  • 作者单位

    The french aerospace lab, bP 72, F-92322 Chatillon cedex, France;

    The french aerospace lab, bP 72, F-92322 Chatillon cedex, France;

    The french aerospace lab, bP 72, F-92322 Chatillon cedex, France;

    The french aerospace lab, bP 72, F-92322 Chatillon cedex, France;

    Institut de la vision, 17 rue Moreau 75012 Paris, France ,Observatoire de Paris, Laboratoire d'etudes Spatiales et d'Instrumentation en Astrophysique (LESIA), 92195 Meudon, France;

    Clinical Investigation Center 503, INSERM, Quinze-Vingts Hospital Aberration, Adaptive Optics system, Wavefront sensing, Hartmann Shack;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 眼科学;
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