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首页> 外文会议>Adaptive optics and wavefront control for biological systems III >Sub-diffraction limit focusing through a complex medium by virtual Fourier filtering
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Sub-diffraction limit focusing through a complex medium by virtual Fourier filtering

机译：通过虚拟傅里叶滤波聚焦于复杂介质的亚衍射极限

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摘要

We have recently reported on a method to design at will the spatial profile of transmitted coherent light after propagation through a strongly scattering sample, exploiting wavefront shaping in combination with a transmission matrix approach. In this paper, we explore experimentally and theoretically the ability of this approach to generate foci whose full width at half maximum are smaller than the diffraction-limited speckle grain size, using (Bessels) beam variations implemented with virtual annular filters.
机译：我们最近报道了一种方法，该方法可以通过将波前成形与传输矩阵方法结合使用，来设计通过强散射样本传播后的透射相干光的空间分布。在本文中，我们将在实验上和理论上探索这种方法使用虚拟环形滤光片实现的（贝塞尔）光束变化来生成焦点的能力，该焦点的半峰全宽小于衍射极限斑点的粒度。

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  • 来源
  • 会议地点 San Francisco(US)
  • 作者

    Antoine Boniface; Mickael Mounaix; Baptiste Blochet; Rafael Piestun; Sylvain Gigan;

  • 作者单位

    Laboratoire Kastler Brossel, ENS-PSL Research University, CNRS, UPMC Sorbonne Universites, College de France, Paris, France;

    Laboratoire Kastler Brossel, ENS-PSL Research University, CNRS, UPMC Sorbonne Universites, College de France, Paris, France;

    Laboratoire Kastler Brossel, ENS-PSL Research University, CNRS, UPMC Sorbonne Universites, College de France, Paris, France,Institut de Biologie de l'Ecole Normale Superieure (IBENS), ENS-PSL Research University, CNRS, Inserm, Paris, France;

    Department of Electrical, Computer, and Energy Engineering, University of Colorado, Boulder, Colorado 80309, USA;

    Laboratoire Kastler Brossel, ENS-PSL Research University, CNRS, UPMC Sorbonne Universites, College de France, Paris, France;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Speckle; scattering media; transmission matrix; Bessel-like beams; sub-wavelength focusing;

    机译：斑点;散射介质传输矩阵似贝塞尔的光束；亚波长聚焦;

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