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Computational analysis of core cavity Mach-Zehnder interferometer based optical sensor for various types of virus
Indian Journal of Engineering & Materials Sciences Pub Date : 2021-07-07
Vishalatchi Saravana Sundaresan, Nagaraj Ramrao, Preeta Sharan, Kalpana Murugan

In this effort, the demonstration has been done for designing the new optical sensor for the detection of various viruses. In this design, we have revealed about Photonic crystal based CCMZIs (Core Cavity Mach-Zehnder interferometers) structures namely CCMZI_1, CCMZI_2, CCMZI_3, and CCMZI_4. These structural designs are commonly referred here as CCMZI_X cavity sensors where X denotes the gradual decrement of scattering rods present in the cavity sensors. By selecting four types of viruses we are interested to detect these viruses in bio-sample using the device, CCMZI_X based sensor for light wave propagation. It has been found that, while removing the number of rods in the structure distinct transmission patterns are obtained. By the consideration of the sensitivity part, further simulation has been done by using the signature of the viruses. The analysis of virus existence is simulated in the FDTD tool. The optimization has been done to provide the higher amplitude spectrum with the range up to 0.8712 and the sensitivity can be calculated in the range of 200-250μm which are obtained by comparing the structures having corresponding analytes.

中文翻译:

基于芯腔Mach-Zehnder干涉仪的各类病毒光学传感器计算分析

在这项工作中,已经完成了设计用于检测各种病毒的新型光学传感器的演示。在本设计中,我们揭示了基于光子晶体的 CCMZI(核心腔马赫-曾德干涉仪)结构,即 CCMZI_1、CCMZI_2、CCMZI_3 和 CCMZI_4。这些结构设计在这里通常称为 CCMZI_X 腔传感器,其中 X 表示腔传感器中存在的散射棒的逐渐减少。通过选择四种类型的病毒,我们有兴趣使用该设备检测生物样本中的这些病毒,基于 CCMZI_X 的光波传播传感器。已经发现,在去除结构中杆的数量的同时,获得了不同的透射模式。考虑到敏感性部分,利用病毒的签名做了进一步的模拟。在FDTD工具中模拟病毒存在的分析。进行了优化以提供范围高达0.8712的更高振幅谱,并且通过比较具有相应分析物的结构获得的灵敏度可以在200-250μm的范围内计算。
更新日期:2021-07-07
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