Self-Collimation and Slow Light-Based Refractive Index Sensor with a Large Detection Range,Annalen Der Physik

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Self-Collimation and Slow Light-Based Refractive Index Sensor with a Large Detection Range
Annalen Der Physik ( IF 2.2 ) Pub Date : 2021-05-13 , DOI: 10.1002/andp.202100052
Ali Samadian Barough _{1,

2} , Mina Noori _{1,

2} , Amin Abbasiyan _{1,

2}

Affiliation

In this study, a refractive index sensor based on self-collimation and slow light is presented which operates in the Mid-IR range (4 µm < λ < 4.133 µm). Here, the square and hexagonal arrays are merged as the background platform and the sensing area, respectively to provide self-collimation and slow light properties. Three sensors based on slow-light and self-collimation are presented in detail which provide Q-factor, sensitivity, and detection range of 227, 104 nm RIU⁻¹, and 1–1.7, respectively in the best case. Furthermore, the sensor design based on self-collimation and photonic bandgap phenomena in the background platform and the sensing area, respectively is presented with a single detection unit. The presented sensors are capable of gas or liquid detection with refractive indices in the range of 1–2 with enhanced Q-factor and sensitivity of over 620 and 123, respectively.

中文翻译：

具有大检测范围的自准直和慢光折射率传感器

在这项研究中，提出了一种基于自准直和慢光的折射率传感器，它在中红外范围内工作 (4 µm < λ < 4.133 µm)。在这里，正方形和六边形阵列合并为背景平台和传感区域，分别提供自准直和慢光特性。详细介绍了基于慢光和自准直的三个传感器，它们提供了 227、104 nm RIU ^{-1 的}Q 因子、灵敏度和检测范围, 和 1–1.7, 在最好的情况下。此外，基于背景平台和传感区域中的自准直和光子带隙现象的传感器设计分别具有单个检测单元。所提出的传感器能够检测折射率在 1-2 范围内的气体或液体，增强的 Q 因子和灵敏度分别超过 620 和 123。

更新日期：2021-07-12

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