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首页> 外文会议>Optical trapping and optical micromanipulation VIII >A thiol-ene/methacrylate-based polymer for creating integrated optofluidic devices
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A thiol-ene/methacrylate-based polymer for creating integrated optofluidic devices

机译：基于硫醇-烯/甲基丙烯酸酯的聚合物，用于制造集成的光流体器件

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摘要

We present a thiol-ene/methacrylate-based polymer capable of creating both physical fluidic features and optical index features via a series of three UV mask-lithography steps. The process of creating the two types of features are addressed independently by control of the polymerization and diffusion rates within the polymer system. The rapidly curing methacrylate creates a gelled, rubbery scaffold structure that allows for the creation of physical features and also monomer diffusion within the structure. The thiol-ene is a high-index polymer that cures more slowly in the presence of the methacrylate and is used to create the index structures via diffusion of replacement monomer into exposed regions. We demonstrate low-loss, multi-mode optical waveguides coupled to a fluidic channel to implement a refractometer. Waveguide loss at 635 run for a 12.5 mm × 63.5 micron × 63.5 micron waveguide-only sample is 0.57 dB. A waveguide plus fluidic-channel device acts as a refractometer whose optical throughput is dependent on the index of refraction of the fluid in the channel.
机译：我们提出了一种基于硫醇-烯/甲基丙烯酸酯的聚合物，该聚合物能够通过一系列三个UV掩模光刻步骤来创建物理流体特征和光学折射率特征。通过控制聚合物体系内的聚合和扩散速率，可以独立解决创建两种类型特征的过程。快速固化的甲基丙烯酸酯可形成凝胶状的橡胶状脚手架结构，从而可在其内部形成物理特征并促进单体扩散。硫醇烯是一种高折射率聚合物，在甲基丙烯酸酯存在下固化速度较慢，并用于通过置换单体扩散到裸露区域中来创建折射率结构。我们演示了耦合到流体通道以实现折光仪的低损耗，多模光波导。对于仅波导的12.5 mm×63.5微米×63.5微米的波导，在635处的波导损耗为0.57 dB。波导加流体通道装置用作折光仪，其光通量取决于通道中流体的折射率。

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