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Effect of background materials in photonic crystal fiber sensor
Optical Review ( IF 1.2 ) Pub Date : 2022-01-06 , DOI: 10.1007/s10043-021-00712-1
Md. Ekhlasur Rahaman 1 , Md. Bellal Hossain 1 , Himadri Shekhar Mondal 1
Affiliation  

In this study, an automobile wheel type photonic crystal fiber (PCF) has been designed to investigate the effect of the background material on analyte sensing. The designed PCF has a circular hollow core with eight slot-type air holes in cladding. The analysis is performed in the range of 0.5–1.5 THz, and different background materials are chosen during the simulation, for example, fused silica, BK7 glass, Zeonex, and SF2 glass. The sensing performance and light propagation properties are investigated to find out the suitable background material of the designed PCF. At 1 THz, the maximum sensitivity is achieved using fused silica as a background material, while BK7 glass, Zeonex, and SF2 glass show slightly lower relative sensitivity than fused silica. The obtained relative sensitivity is 92.0% of fused silica, 91.2% for BK7 glass, 90.1% for Zeonex, and 88.1% for SF2 glass. In this study, SF2 glass shows the lowest sensitivity, highest effective material loss, and highest confinement loss compares to fused silica, BK7 glass, and Zeonex. In contrast, fused silica shows the highest relative sensitivity, lowest effective material loss, and lowest confinement loss.



中文翻译:

背景材料对光子晶体光纤传感器的影响

在这项研究中,设计了一种汽车车轮型光子晶体光纤 (PCF) 来研究背景材料对分析物传感的影响。所设计的 PCF 有一个圆形空心芯,在包层中有八个槽型气孔。分析在 0.5-1.5 THz 范围内进行,在模拟过程中选择了不同的背景材料,例如熔融石英、BK7 玻璃、Zeonex 和 SF2 玻璃。研究传感性能和光传播特性,以找出设计的 PCF 的合适背景材料。在 1 THz 时,使用熔融石英作为背景材料可获得最大灵敏度,而 BK7 玻璃、Zeonex 和 SF2 玻璃的相对灵敏度略低于熔融石英。获得的相对灵敏度为熔融石英的 92.0%,BK7 玻璃的 91.2%,90。Zeonex 为 1%,SF2 玻璃为 88.1%。在这项研究中,与熔融石英、BK7 玻璃和 Zeonex 相比,SF2 玻璃显示出最低的灵敏度、最高的有效材料损失和最高的限制损失。相比之下,熔融石英显示出最高的相对灵敏度、最低的有效材料损失和最低的限制损失。

更新日期:2022-01-07
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