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Integration of an opto-chemical detector based on group III-nitride nanowire heterostructures

机译：基于III族氮化物纳米线异质结构的光化学检测器的集成

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The photoluminescence intensity of group III nitrides, nanowires, and heterostructures (NWHs) strongly depends on the environmental H-2 and O-2 concentration. We used this opto-chemical transducer principle for the realization of a gas detector. To make this technology prospectively available to commercial gasmonitoring applications, a large-scale laboratory setup was miniaturized. To this end the gas-sensitive NWHs were integrated with electro-optical components for optical addressing and read out within a compact and robust sensor system. This paper covers the entire realization process of the device from its conceptual draft and optical design to its fabrication and assembly. The applied approaches are verified with intermediate results of profilometric characterizations and optical performance measurements of subsystems. Finally the gas-sensing capabilities of the integrated detector are experimentally proven and optimized. (C) 2015 Optical Society of America
机译：III族氮化物，纳米线和异质结构（NWHs）的光致发光强度在很大程度上取决于环境H-2和O-2的浓度。我们使用这种光化学传感器原理来实现气体探测器。为了使该技术可预期地用于商业气体监测应用，大型化的实验室设置已小型化。为此，对气体敏感的NWH与电光组件集成在一起，用于光学寻址，并在紧凑而坚固的传感器系统中读出。本文涵盖了该设备的完整实现过程，从概念草图和光学设计到制造和组装。所应用的方法已通过轮廓测量表征和子系统光学性能测量的中间结果进行了验证。最终，集成检测器的气体传感功能得到了实验验证和优化。 （C）2015年美国眼镜学会

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