光流控三阶分布反馈染料laser
Opto-fluidic third order distributed feed-back dye laser
摘要：
本文介绍了一种基于聚合物的三阶分布反馈（DFB）微流控染料激光器的设计和运行。该装置依赖于纳米结构聚合物膜中的光限制，其中纳米流体通道阵列通过毛细管作用填充有折射率低于聚合物的折射率的液体染料溶液。结合由纳米流体通道阵列形成的三阶DFB光栅，这产生了用于激光发射的低阈值。该激光器直接集成在芯片实验室微系统上，其中需要可见光范围内的相干可调谐光。
英文摘要：
This letter describes the design and operation of a polymer-based third order distributed feed-back (DFB) microfluidic dye laser. The device relies on light-confinement in a nano-structured polymer film where an array of nanofluidic channels is filled by capillary action with a liquid dye solution which has a refractive index lower than that of the polymer. In combination with a third order DFB grating, formed by the array of nanofluidic channels, this yields a low threshold for lasing. The laser is straight-forward to integrate on Lab-on-a-Chip micro-systems where coherent, tunable light in the visible range is desired.
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