Wide-field high-speed space-division multiplexing optical coherence tomography using an integrated photonic device
Wide-field high-speed space-division multiplexing optical coherence tomography using an integrated photonic device
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DOI：
10.1364/boe.8.003856
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发表时间：
2017-08-01
影响因子：
3.4
通讯作者：
Zhou, Chao
中科院分区：
文献类型：
--
作者：
Huang, Yongyang;Badar, Mudabbir;Zhou, Chao
空分多路光学相干层析成像(SDM-OCT)是近年来发展起来的一种并行OCT成像方法，其目的是使成像速度成倍提高。然而，第一个原型系统中使用的光纤组件的组装是劳动密集型的，而且容易出错。在这里，我们展示了一种使用集成光子芯片的高速SDM-OCT系统，该芯片可以以高精度和低单位成本可靠地制造。在光子芯片中集成了一个1×2的三层级联，将入射光分成8个平行的成像通道，每个通道之间的光延迟类似于3.7 mm的空气中。基于芯片的SDM-OCT系统实现了猪眼的高速成像(相当于1s/体积)和人体手指的大视场成像(相当于18.0×14.3 mm(2))。(C)2017年美国光学学会
Space-division multiplexing optical coherence tomography (SDM-OCT) is a recently developed parallel OCT imaging method in order to achieve multi-fold speed improvement. However, the assembly of fiber optics components used in the first prototype system was labor-intensive and susceptible to errors. Here, we demonstrate a high-speed SDM-OCT system using an integrated photonic chip that can be reliably manufactured with high precisions and low per-unit cost. A three-layer cascade of 1 x 2 splitters was integrated in the photonic chip to split the incident light into 8 parallel imaging channels with similar to 3.7 mm optical delay in air between each channel. High-speed imaging (similar to 1s/volume) of porcine eyes ex vivo and wide-field imaging (similar to 18.0 x 14.3 mm(2)) of human fingers in vivo were demonstrated with the chip-based SDM-OCT system. (C) 2017 Optical Society of America