Micrometer‐Scale Optical Web Made of Spider Dragline Fibers with Optical Gate Operations
Micrometer‐Scale Optical Web Made of Spider Dragline Fibers with Optical Gate Operations
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DOI：
10.1002/adom.202202563
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发表时间：
2022-12
影响因子：
9
通讯作者：
Hendra;Hiroshi Yamagishi;Wey Yih Heah;A. Malay;K. Numata;Yohei Yamamoto
中科院分区：
文献类型：
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作者：
Hendra;Hiroshi Yamagishi;Wey Yih Heah;A. Malay;K. Numata;Yohei Yamamoto
蜘蛛产生的牵引丝纤维是一种杰作结构蛋白，即使在野生条件下也是耐用的。牵引丝纤维不仅具有优异的机械韧性和柔韧性，而且还具有良好的光学透明性，在纺织、传感器、光学器件等领域具有广阔的应用前景。结果表明，牵引丝超细纤维具有良好的光波导特性，光损耗系数低至0.03分贝/微米。牵引丝纤维中的光传输是通过位于悬挂丝微纤维上的两个微球之间的荧光能量传递来实现的。利用微操作设备，制作了微米级的蜘蛛网状结构。实验观察到的编织光波导特性与用简单数学模型模拟的结果吻合较好。此外，还使用附着在拖绳光纤上的可光开关微球谐振器演示了光学逻辑门操作。
Dragline silk fibers produced by spiders are a masterpiece structural protein that is durable even in the wild conditions. Dragline silk fibers are known to have excellent mechanical toughness and flexibility and further possess optical transparency, which are highly promising as textiles, sensors, and optical devices. Here, the authors show that the dragline silk microfibers act as good optical waveguides with the optical loss coefficient as small as 0.03 decibel per micrometer. The light transportation in the dragline silk fiber is performed by fluorescence energy transfer between two microspheres located on a suspended dragline silk microfiber. By utilizing a micromanipulation equipment, micrometer‐scale spider web‐like structures are fabricated. The experimentally observed optical waveguiding properties of the weaves match well with simulation results using simple mathematical models. Furthermore, optical logic gate operations are demonstrated using photoswitchable microsphere resonators attached on the dragline fibers.