Light control in a multicore fiber using the memory effect.
Light control in a multicore fiber using the memory effect.
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利用记忆效应对多芯光纤进行光控制。
DOI：
10.1364/oe.23.030532
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发表时间：
2015
期刊：
影响因子：
3.8
通讯作者：
D. Psaltis
中科院分区：
文献类型：
--
作者：
N. Stasio;D. Conkey;C. Moser;D. Psaltis
通过多芯光纤（MCF）的内窥镜成像被广泛使用，但受像素化图像的影响，其分辨率限制在几微米。这是由于MCF中核心之间的间距足够大，以避免核心到核心的光耦合。波前整形技术已被证明可以将光聚焦到比芯间间距更精细的分辨率，但需要一个长时间的校准过程。此外，校准取决于光纤的构象。在这里，我们展示了一种仅使用一个数字全息图的校准方法。该方法利用数字相位共轭和MCF的记忆效应对点进行聚焦和扫描。此外，我们还展示了如何使用相同的多芯光纤投射简单的模式。
Endoscopic imaging through a multicore fiber (MCF) is widely used but is affected by pixelated images, which limits its resolution to a few micrometers. This is due to the spacing between the cores in the MCF, which is large enough to avoid core-to-core light coupling. Wavefront shaping techniques have been shown to focus light to a resolution finer than the inter core spacing, however a long calibration procedure is needed. Moreover the calibration depends on the optical fiber conformation. Here, we show a calibration method using only one digital hologram. The method is based on digital phase conjugation and the memory effect of the MCF to focus and scan a spot. In addition, we show how simple patterns can be projected using the same multicore fiber.
使用单根多模光纤进行无扫描仪宽视场内窥镜成像。
影响因子：
8.6
作者：
Choi Y;Yoon C;Kim M;Yang TD;Fang-Yen C;Dasari RR;Lee KJ;Choi W
通讯作者：
Choi W