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首页> 外文会议>Optical coherence tomography and coherence domain optical methods in biomedicine XIV >Integrated photonic circuit in silicon on insulator for Fourier domain optical coherence tomography
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Integrated photonic circuit in silicon on insulator for Fourier domain optical coherence tomography

机译：绝缘体上硅上的集成光子电路，用于傅里叶域光学相干层析成像

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摘要

Optical coherence tomography (OCT) is a medical imaging technology capable of producing high-resolution, cross-sectional images through inhomogeneous samples, such as biological tissue. It has been widely adopted in clinical ophthalmology and a number of other clinical applications are in active research. Other applications of OCT include material characterization and non-destructive testing. In addition to current uses, OCT has a potential for a much wider range of applications and further commercialization. One of the reasons for slow penetration of OCT in clinical and industrial use is probably the cost and the size of the current systems. Current commercial and research OCT systems are fiber/free space optics based. Although fiber and micro-optical components have made these systems portable, further significant miniaturization and cost reduction could be achieved through the use of integrated photonic components. We demonstrate a Michelson interferometer using integrated photonic waveguides on nanophotonic silicon on insulator platform. The size of the interferometer is 1500 μm × 50 μm. The structure has been tested using a mirror as a reflector. We can achieve 40 μm axial resolution and 25 dB sensitivity which can be substantially improved.
机译：光学相干断层扫描（OCT）是一种医学成像技术，能够通过非均匀样本（例如生物组织）生成高分辨率的横截面图像。它已被眼科临床广泛采用，并且许多其他临床应用正在积极研究中。 OCT的其他应用包括材料表征和无损检测。除了当前的用途外，OCT还具有广泛的应用范围和进一步商业化的潜力。 OCT在临床和工业应用中渗透缓慢的原因之一可能是当前系统的成本和大小。当前的商业和研究OCT系统是基于光纤/自由空间光学系统的。尽管光纤和微光学组件使这些系统具有便携性，但通过使用集成的光子组件，可以实现进一步的显着小型化和成本降低。我们演示了在绝缘子平台上的纳米光子硅上使用集成光子波导的迈克尔逊干涉仪。干涉仪的尺寸为1500μm×50μm。该结构已使用镜子作为反射镜进行了测试。我们可以达到40μm的轴向分辨率和25 dB的灵敏度，可以大大提高。

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