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首页> 外文会议>Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine >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：傅立叶域光学相干断层扫描的绝缘体上的硅中的集成光子电路

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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 x 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）是一种能够通过非均匀样品产生高分辨率，横截面图像的医学成像技术，例如生物组织。它已广泛采用临床眼科，许多其他临床应用处于积极研究。 OCT的其他应用包括材料表征和非破坏性测试。除了目前的用途外，OCT还具有更广泛的应用以及进一步的商业化的潜力。临床和工业用途缓慢渗透OCT的原因之一可能是当前系统的成本和大小。目前的商业和研究OCT系统是基于纤维/自由空间光学元件。尽管纤维和微光学部件使得这些系统便携式，但是通过使用集成的光子部件，可以实现进一步的显着的小型化和成本降低。我们展示了一种在绝缘平台上的纳米光电硅的集成光子波导的迈克森干涉仪。干涉仪的尺寸为1500μm×50μm。该结构已经使用镜子作为反射器测试。我们可以实现40微米的轴分辨率和25dB敏感性，这可以大大提高。

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