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首页> 外文会议>Conference on Novel Optical Systems, Methods, and Applications >Conical microstructures made of biopolymers for guiding and delivering light
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Conical microstructures made of biopolymers for guiding and delivering light

机译：锥形微观结构由生物聚合物制成，用于指导和输送光

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Optical microstructures are of very high interest for delivering and or guiding optical radiation. Beyond the replacement of conventional hypodermic syringes, the use of microneedles opened the route towards portable lab on chip devices where the same microneedle could be used for drug delivery and photodynamic therapy, focusing the light thorough the needle tips. Here we propose for the first time an innovative approach for the fabrication of polymeric conical structures and the optical characterization of the light guided through a pyro-electrodrawn micro needle. A point-like thermal stimulation of a ferroelectric crystal enabled the electro-drawing of single or parallelized needles. The results reported show the possibility of tuning the geometry and the dimension of the structures produced and their use for controlling and guiding external light. The structures have been realized using a biocompatible and biodegradable polymer thus such conical structures in principle could be implantable. The conical structures have been characterized in terms of geometry, shape and emitted light profile. We report experimental results and discuss results and perspectives for exploiting them.
机译：光学微观结构对于输送和引导光学辐射非常高。除了替代常规皮下注射注射器之外，使用微针的使用在芯片装置上打开了便携式实验室的路线，其中相同的微针可用于药物递送和光动力疗法，将光线透过针尖的光透明。在这里，我们首次提出了一种创新的方法来制造聚合物锥形结构和光学表征通过Pyro-Istrodrodrawn微针的光学表征。铁电晶体的点状热刺激使得单个或平行化针的电绘制。结果报告说明调整几何形状的可能性和所产生的结构的尺寸及其用于控制​​和引导外部光的用途。已经使用生物相容性和可生物降解的聚合物实现了结构，因此原则上的这种锥形结构可以是可植入的。锥形结构已经表征了几何形状，形状和发射的光型材。我们报告实验结果，并讨论利用它们的结果和观点。

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