Sorting of polystyrene microspheres using a Y-branched optical waveguide
Sorting of polystyrene microspheres using a Y-branched optical waveguide
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DOI：
10.1364/opex.13.000001
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发表时间：
2005-01-10
期刊：
影响因子：
3.8
通讯作者：
Wilkinson, JS
中科院分区：
文献类型：
--
作者：
Grujic, K;Helleso, OG;Wilkinson, JS
我们演示了y分支光波导如何用于微粒分选。聚苯乙烯微粒在波导的倏逝场中被光学引导，被引导到期望的、更强照明的输出支路上。光纤激光器的输出波长为1066 nm，通过直接对接耦合到波导上。两个输出支路之间的功率分布由光纤与波导输入面的相对位置来选择。这提供了一种在适当条件下具有很高成功概率的可靠颗粒分选的简单方法。该方法可以很容易地与其他粒子操作技术相结合，用于未来的微总量分析系统。(C) 2004美国光学学会。
We demonstrate how a Y-branched optical waveguide can be used for microparticle sorting. Polystyrene microparticles, optically guided in the waveguide's evanescent field, are directed down the desired, more strongly illuminated, output branch. The output of a fibre laser at a wavelength of 1066 nm is coupled to the waveguide by direct butting. The power distribution between the two output branches is selected by the relative position of the fibre to the waveguide input facet. This provides a simple method for reliable particle sorting with very high probability of success under appropriate conditions. The method can be easily combined with other particle manipulation techniques of interest for micro total analysis systems of the future. (C) 2004 Optical Society of America.