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Microfluidic dye laser integration in a lab-on-a-chip device

机译：芯片实验室设备中的微流控染料激光集成

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摘要

We report on an original design and fabrication of microfluidic dye laser integrated into a functional poly-dimethylsiloxane (PDMS) lab-on-a-chip system. Soft lithography has been used for the fabrication of the microfluidic channels allowing the liquid dye circulation. The laser cavity, formed by two cleaved optical fibers with end face metallization, is directly integrated into a microfluidic channel. The active dye molecules are optically pumped by a pulsed and frequency-doubled Nd:Yag laser at 532 nm wavelength. Finally, the output laser beam is extracted and coupled into the optical fiber. As a result, the characteristics of the laser output power as a function of pumping energy density is presented. We also show that the micro dye laser we fabricated can work steadily with an average output power up to 0.35 mW. The wavelength tunability is also demonstrated with the laser system.
机译：我们报告了集成到功能性聚二甲基硅氧烷（PDMS）芯片实验室系统中的微流控染料激光的原始设计和制造。软光刻技术已用于制造微流体通道，从而允许液体染料循环。由两条带有端面金属化处理的分裂光纤形成的激光腔直接集成到微流体通道中。活性染料分子通过脉冲和倍频的Nd：Yag激光在532 nm波长进行光泵浦。最后，输出的激光束被提取并耦合到光纤中。结果，给出了激光输出功率随泵浦能量密度变化的特性。我们还表明，我们制造的微型染料激光器可以稳定运行，平均输出功率高达0.35 mW。激光系统还演示了波长可调性。

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