Lossy-mode-resonance sensor based on ITO and LiF nanomaterial for the enhancement of quality factor and detection accuracy

被引：3
作者：
Singh, Bhupinder [1 ]
Dixit, Amit [1 ]
Dua, Piyush [2 ]
机构：
[1] Quantum Univ, Dept ECE, Roorkee 247667, Uttar Pradesh, India
[2] Univ Technol & Appl Sci, Dept Engn, Suhar, Oman
来源：
JOURNAL OF OPTICS-INDIA | 2024年 / 53卷 / 03期
关键词：
Kretschmann structure; Refractive index sensor; Indium tin oxide (ITO); Angular interrogation; Lossy mode resonance; Lithium fluoride; POLARIZATION; DESIGN; SCHEME;
D O I：
10.1007/s12596-023-01461-x
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A lossy mode resonance (LMR) prism refractive index (RI) sensor theoretical model based on the lithium fluoride (LiF)/ Indium tin oxide (ITO)/LiF structure is presented in this study. The performance of the sensor has been analysed using under angular interrogation technique. The performance is significantly enhanced using the LiF as the matching layer and ITO as the lossy layer. This paper also proposes the design concepts for the device and investigates the effects of modifications in the sensor structure on the reflectance. The device has various sensing characteristics under TE and TM polarised light, and the results demonstrate that its RI sensing range is between 1.33 and 1.39. This LMR sensor has the highest quality factor of 4104.0 RIU-1 under TE polarised light and 693 RIU-1 under TM polarised light. The sensor's sensitivity range lies between 41 and 70 degree/RIU under TE and TM polarised light.
引用
收藏
页码：2731 / 2738
页数：8
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