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arXiv 1502.04761physics.optics
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波前整形法测量光传输矩阵

Measuring optical transmission matrices by wavefront shaping

Jonghee Yoon, KyeoReh Lee, Jongchan Park, YongKeun Park

摘要:

介绍了一种简单实用的测量复杂介质光传输矩阵的方法。通过调制入射到复杂介质上的光束的波前并成像透射的全场散斑强度图案来获得复杂介质的光学TM。使用检索到的TM,我们演示了通过复杂的介质按需多个焦点的生成和线性组合。这种方法将被用作一个通用的工具,通过混浊介质的波的相干控制。

英文摘要:

We introduce a simple but practical method to measure the optical transmission matrix (TM) of complex media. The optical TM of a complex medium is obtained by modulating the wavefront of a beam impinging on the complex medium and imaging the transmitted full-field speckle intensity patterns. Using the retrieved TM, we demonstrate the generation and linear combination of multiple foci on demand through the complex medium. This method will be used as a versatile tool for coherence control of waves through turbid media.

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