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首页> 外文期刊>Journal of optics >Tailoring complex wavefront of scattered light via wavefront shaping
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Tailoring complex wavefront of scattered light via wavefront shaping

机译：散落的光剪裁波前通过波前塑造

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Tailoring complex wavefront is crucial for controlling the propagation and interference of light, but is quite challenging for optical systems that suffers random scattering. Here, we show that wavefront shaping can be used for tailoring complex wavefront on the target plane with phase-only control on the incident plane. To accurately control the multiple complex modes on the target plane, the fidelity instead of the widely-used intensity is employed as the feedback signal. To demonstrate the proposed method, we implement the fidelity-optimized wavefront shaping in the numerical simulations for generating custom complex wavefront, in which a numerically generated random matrix is employed for modeling the propagation of light through scattering media. Furthermore, by introducing the power enhancement factor as a regularization term into the feedback signal, we show that the total power of the generated target light field can be significantly enhanced. These results provide new possibilities for controlling the propagation and interference of light in highly complex optical systems.
机译：剪裁复杂波前对于控制光的传播和干扰是至关重要的，但对于患有随机散射的光学系统来说是非常具有挑战性的。在这里，我们示出了波前塑形可以用于在目的平面上具有相位控制的目标平面上的复杂波前沿。为了准确控制目标平面上的多个复杂模式，采用富达代替广泛使用的强度作为反馈信号。为了展示所提出的方法，我们在用于生成定制复杂波前的数值模拟中实现保真优化的波前塑形，其中使用数值产生的随机矩阵来通过散射介质来建模光传播。此外，通过将功率增强因子引入正则化术语进入反馈信号，我们表明可以显着提高所生成的目标光场的总功率。这些结果提供了用于控制高度复杂的光学系统中光的传播和干扰的新可能性。

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