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Quasi-distributed sol-gel coated fiber optic oxygen sensing probe

机译：准分布溶胶凝胶涂层光纤氧传感探头

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摘要

In the field of aquaculture, optical sensor technology is beginning to provide alternatives to the conventional electrical sensor. Hence, the development and characterization of a multipoint quasi-distributed optical fiber sensor for oxygen measurement is reported. The system is based on 1mm core diameter plastic optical fiber where sections of cladding have been removed and replaced with three metal complexes sol-gel films to form sensing points. The sensing locations utilize luminophores that have emission peaks at 385 nm, 405 nm and 465 nm which associated with each of the sensing points. Interrogation of the optical sensor system is through a fiber optic spectrometer incorporating narrow bandpass emission optical filter. The sensors showed comparable sensitivity and repeatability, as well as fast response and recovery towards oxygen.
机译：在水产养殖领域，光学传感器技术开始提供常规电子传感器的替代产品。因此，报道了用于氧测量的多点准分布光纤传感器的开发和表征。该系统基于芯直径为1mm的塑料光纤，其中的包层部分已被移除，并被三种金属配合物溶胶-凝胶膜取代以形成传感点。感测位置利用具有在385 nm，405 nm和465 nm处与每个感测点相关的发射峰的发光体。通过结合了窄带通发射光学滤波器的光纤光谱仪对光学传感器系统进行询问。传感器显示出可比的灵敏度和可重复性，以及对氧气的快速响应和恢复。

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