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Design of a Smartphone Plastic Optical Fiber Chemical Sensor for Hydrogen Sulfide Detection

机译:用于检测硫化氢的智能手机塑料光纤化学传感器的设计

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We present a low-cost, handheld plastic optical fiber (POF) sensor for hydrogen sulfide (HS) detection integrated onto a smartphone. The sensor uses smartphone flashlight as a source and camera as a pixel-based intensity detector. The POF is interconnected to the smartphone with a 3-D-printed connector on both source/detector sides. The sensing mechanism is embedded in the fiber link, making the system an all-fiber smartphone architecture. A mobile application handles data acquisition on the Android operative system. The sensor is functionalized for HS detection through silver deposition on the POF outer surface. Experiments demonstrate the feasibility of the sensor system as the presence of HS is successfully measured through an increase of optical losses through the POF link. This cost-effective, scalable, and compact sensor is promising for application in environmental sensing.
机译:我们提供了一种低成本的手持式塑料光纤(POF)传感器,用于集成到智能手机上的硫化氢(HS)检测。该传感器使用智能手机的手电筒作为光源,使用相机作为基于像素的强度检测器。 POF通过源/检测器两侧的3D打印连接器与智能手机互连。传感机制嵌入在光纤链路中,使该系统成为全光纤智能手机架构。移动应用程序在Android操作系统上处理数据获取。该传感器通过在POF外表面上沉积银来实现HS检测功能。实验证明了传感器系统的可行性,因为通过POF链路增加了光损耗,成功测量了HS的存在。这种经济高效,可扩展且紧凑的传感器有望用于环境传感。

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