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Design of optical single mode splitter using ion exchange method for ammonia biosensor

机译:离子交换法用于氨生物传感器的光学单模分束器的设计

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One reasonable and cost-effective method to sense chemicals such as ammonia is to use optical waveguides. In this work, the simulation of an optical single-mode splitter waveguide was executed to detect ammonia on the sensing arm. OptiBPM and Ionex softwares were used for the waveguide and ion exchange simulations respectively. The deepest and widest optical channel was produced when a concentration of Ag of 0.2 moles/m was used at a temperature of 350°C for duration of 35 minutes. The optical splitter designed in OptiBPM showed a change in the optical power with the presence of ammonia on the gold-coated sensing arm of the splitter. Therefore, the thermal ion change method is an alternative cost-effective method for the fabrication of optical biosensors.
机译:感测氨等化学物质的一种合理且具有成本效益的方法是使用光波导。在这项工作中,对光单模分离器波导进行了仿真,以检测传感臂上的氨。 OptiBPM和Ionex软件分别用于波导和离子交换模拟。当在350°C的温度下使用0.2摩尔/米的Ag浓度持续35分钟时,会产生最深和最宽的光通道。在OptiBPM中设计的分光镜显示,在分光镜的镀金传感臂上存在氨气时,光功率发生了变化。因此,热离子改变方法是用于制造光学生物传感器的另一种具有成本效益的方法。

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