基于偏振控制的硅基颗粒导向系统设计
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国家自然科学基金项目(61308118)

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Design of Polarization-Based Particle Guiding System on Silicon Platform
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    摘要:

    光学微操控技术已从颗粒的捕获和传输拓展到颗粒的分选和导向等更高级的逻辑操控,硅基光镊技术因能突破衍射极限并操控亚微米量级的颗粒而成为了微操控领域中最重要的手段之一。传统的硅基光镊技术一般采用微环、定向耦合器和多模干涉仪等器件,通过调节波长实现颗粒导向操作。文章提出了一种通过偏振调控的硅基颗粒导向操作方法,通过时域有限差分设计和优化了系统结构参数,并验证了该结构在颗粒导向操作中的可行性。实验装置结构简单、体积小巧,且操控更加方便。

    Abstract:

    The micro-manipulation technology has extended its function from particle trapping and transportation to particle sorting and guiding. The silicon-based optical tweezer is one of the most important means in this domain, because it can break through diffraction limit and realize the operation of particles with submicron dimension. Conventional silicon-based optical tweezer systems usually consist of microring, directional coupler and multimode interferometer, and realize the guiding operation by tuning the optical wavelengths. In this paper, a polarization-based particle guiding method and system was investigated. The system parameters were optimized by the finite-different time-domain method. And the feasibility of particle guiding operation was verified. The proposed micro-manipulation system has the advantages of compact size, simple structure and easy to operate.

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引文格式
应宙锋,焦文祥,江 敏,等.基于偏振控制的硅基颗粒导向系统设计 [J].集成技术,2016,5(5):83-89

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YING Zhoufeng, JIAO Wenxiang, JIANG Min, et al. Design of Polarization-Based Particle Guiding System on Silicon Platform[J]. Journal of Integration Technology,2016,5(5):83-89

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  • 在线发布日期: 2016-09-21
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